163505110656 has 64 divisors (see below), whose sum is σ = 449286703200. Its totient is φ = 52622330880.

The previous prime is 163505110651. The next prime is 163505110661. The reversal of 163505110656 is 656011505361.

It is an interprime number because it is at equal distance from previous prime (163505110651) and next prime (163505110661).

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (163505110651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7330150 + ... + 7352421.

Almost surely, 2^163505110656 is an apocalyptic number.

163505110656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163505110656 is an abundant number, since it is smaller than the sum of its proper divisors (285781592544).

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

163505110656 is a wasteful number, since it uses less digits than its factorization.

163505110656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14682617 (or 14682605 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 163505110656 in words is "one hundred sixty-three billion, five hundred five million, one hundred ten thousand, six hundred fifty-six".