166500056104 has 32 divisors (see below), whose sum is σ = 319529881440. Its totient is φ = 81293083200.

The previous prime is 166500056089. The next prime is 166500056111. The reversal of 166500056104 is 401650005661.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 166500056104.

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, 1323039 + ... + 1443409.

It is an arithmetic number, because the mean of its divisors is an integer number (9985308795).

Almost surely, 2^166500056104 is an apocalyptic number.

It is an amenable number.

166500056104 is a deficient number, since it is larger than the sum of its proper divisors (153029825336).

166500056104 is a wasteful number, since it uses less digits than its factorization.

166500056104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124441 (or 124437 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 166500056104 in words is "one hundred sixty-six billion, five hundred million, fifty-six thousand, one hundred four".