163099839748608 has 640 divisors, whose sum is σ = 586224922060800. Its totient is φ = 43734680469504.

The previous prime is 163099839748607. The next prime is 163099839748613. The reversal of 163099839748608 is 806847938990361.

163099839748608 is a `hidden beast` number, since 1 + 63 + 0 + 9 + 98 + 397 + 4 + 86 + 0 + 8 = 666.

It is a super-2 number, since 2×163099839748608² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163099839748607) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196314816 + ... + 197143872.

It is an arithmetic number, because the mean of its divisors is an integer number (915976440720).

Almost surely, 2^{163099839748608} is an apocalyptic number.

163099839748608 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 163099839748608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293112461030400).

163099839748608 is an abundant number, since it is smaller than the sum of its proper divisors (423125082312192).

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

163099839748608 is a wasteful number, since it uses less digits than its factorization.

163099839748608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829217 (or 829195 counting only the distinct ones).

The product of its (nonzero) digits is 3386105856, while the sum is 81.

The spelling of 163099839748608 in words is "one hundred sixty-three trillion, ninety-nine billion, eight hundred thirty-nine million, seven hundred forty-eight thousand, six hundred eight".