163001364566256 has 40 divisors (see below), whose sum is σ = 467874287182160. Its totient is φ = 54333788188608.

The previous prime is 163001364566239. The next prime is 163001364566273. The reversal of 163001364566256 is 652665463100361.

163001364566256 is a `hidden beast` number, since 1 + 6 + 3 + 0 + 0 + 1 + 3 + 6 + 4 + 5 + 6 + 625 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (163001364566239) and next prime (163001364566273).

It is a super-2 number, since 2×163001364566256² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188658986335 + ... + 188658987198.

It is an arithmetic number, because the mean of its divisors is an integer number (11696857179554).

Almost surely, 2^{163001364566256} is an apocalyptic number.

163001364566256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163001364566256 is an abundant number, since it is smaller than the sum of its proper divisors (304872922615904).

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

163001364566256 is a wasteful number, since it uses less digits than its factorization.

163001364566256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377317973550 (or 377317973538 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 54.

The spelling of 163001364566256 in words is "one hundred sixty-three trillion, one billion, three hundred sixty-four million, five hundred sixty-six thousand, two hundred fifty-six".