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16234020660 = 22351131319823
BaseRepresentation
bin11110001111001111…
…10111111100110100
31112220101011200210110
433013213313330310
5231221402130120
611242515223020
71113202620204
oct170747677464
945811150713
1016234020660
116980755000
1231908a7a70
1316b93c25b0
14b0008c404
156503202e0
hex3c79f7f34

16234020660 has 384 divisors, whose sum is σ = 56746045440. Its totient is φ = 3437406720.

The previous prime is 16234020659. The next prime is 16234020661. The reversal of 16234020660 is 6602043261.

It is an interprime number because it is at equal distance from previous prime (16234020659) and next prime (16234020661).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16234020661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19725009 + ... + 19725831.

It is an arithmetic number, because the mean of its divisors is an integer number (147776160).

Almost surely, 216234020660 is an apocalyptic number.

16234020660 is a gapful number since it is divisible by the number (10) 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 16234020660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28373022720).

16234020660 is an abundant number, since it is smaller than the sum of its proper divisors (40512024780).

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

16234020660 is a wasteful number, since it uses less digits than its factorization.

16234020660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 876 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 16234020660 in words is "sixteen billion, two hundred thirty-four million, twenty thousand, six hundred sixty".