163926393164 has 12 divisors (see below), whose sum is σ = 286897408224. Its totient is φ = 81955705104.

The previous prime is 163926393139. The next prime is 163926393173. The reversal of 163926393164 is 461393629361.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1823492 + ... + 1911275.

It is an arithmetic number, because the mean of its divisors is an integer number (23908117352).

Almost surely, 2^163926393164 is an apocalyptic number.

It is an amenable number.

163926393164 is a deficient number, since it is larger than the sum of its proper divisors (122971015060).

163926393164 is a wasteful number, since it uses less digits than its factorization.

163926393164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745744 (or 3745742 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 53.

The spelling of 163926393164 in words is "one hundred sixty-three billion, nine hundred twenty-six million, three hundred ninety-three thousand, one hundred sixty-four".