166500902855960 has 32 divisors (see below), whose sum is σ = 374628999596400. Its totient is φ = 66600011245440.

The previous prime is 166500902855933. The next prime is 166500902855971. The reversal of 166500902855960 is 69558209005661.

It is a junction number, because it is equal to n+sod(n) for n = 166500902855893 and 166500902855902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3157106 + ... + 18519425.

Almost surely, 2^{166500902855960} is an apocalyptic number.

166500902855960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166500902855960 is an abundant number, since it is smaller than the sum of its proper divisors (208128096740440).

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

166500902855960 is a wasteful number, since it uses less digits than its factorization.

166500902855960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21868571 (or 21868567 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 62.

The spelling of 166500902855960 in words is "one hundred sixty-six trillion, five hundred billion, nine hundred two million, eight hundred fifty-five thousand, nine hundred sixty".