170886920972 has 12 divisors (see below), whose sum is σ = 299070272256. Its totient is φ = 85438271760.

The previous prime is 170886920933. The next prime is 170886920983. The reversal of 170886920972 is 279029688071.

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, 1222604 + ... + 1355187.

It is an arithmetic number, because the mean of its divisors is an integer number (24922522688).

Almost surely, 2^170886920972 is an apocalyptic number.

It is an amenable number.

170886920972 is a deficient number, since it is larger than the sum of its proper divisors (128183351284).

170886920972 is a wasteful number, since it uses less digits than its factorization.

170886920972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594368 (or 2594366 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 170886920972 in words is "one hundred seventy billion, eight hundred eighty-six million, nine hundred twenty thousand, nine hundred seventy-two".