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168670228968 = 2332192329316789
BaseRepresentation
bin1001110100010110000…
…1110111000111101000
3121010100220210102012100
42131011201313013220
510230414034311333
6205252552213400
715120543201453
oct2350541670750
9533326712170
10168670228968
1165594a4654a
122883339a260
1312ba05c7417
14824120649a
1545c2c29213
hex27458771e8

168670228968 has 768 divisors, whose sum is σ = 549918720000. Its totient is φ = 46367354880.

The previous prime is 168670228963. The next prime is 168670229023. The reversal of 168670228968 is 869822076861.

168670228968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1686702289682 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168670228963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1895171068 + ... + 1895171156.

It is an arithmetic number, because the mean of its divisors is an integer number (716040000).

Almost surely, 2168670228968 is an apocalyptic number.

168670228968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168670228968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274959360000).

168670228968 is an abundant number, since it is smaller than the sum of its proper divisors (381248491032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168670228968 is a wasteful number, since it uses less digits than its factorization.

168670228968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 168670228968 in words is "one hundred sixty-eight billion, six hundred seventy million, two hundred twenty-eight thousand, nine hundred sixty-eight".