12163947925064 has 64 divisors (see below), whose sum is σ = 24597074174400. Its totient is φ = 5606076301056.

The previous prime is 12163947925021. The next prime is 12163947925193. The reversal of 12163947925064 is 46052974936121.

It is a junction number, because it is equal to n+sod(n) for n = 12163947924994 and 12163947925012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246393647 + ... + 246443009.

It is an arithmetic number, because the mean of its divisors is an integer number (384329283975).

Almost surely, 2^{12163947925064} is an apocalyptic number.

It is an amenable number.

12163947925064 is an abundant number, since it is smaller than the sum of its proper divisors (12433126249336).

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

12163947925064 is a wasteful number, since it uses less digits than its factorization.

12163947925064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52734 (or 52730 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 12163947925064 in words is "twelve trillion, one hundred sixty-three billion, nine hundred forty-seven million, nine hundred twenty-five thousand, sixty-four".