172057667042 has 16 divisors (see below), whose sum is σ = 264108717312. Its totient is φ = 84021734160.

The previous prime is 172057667017. The next prime is 172057667051. The reversal of 172057667042 is 240766750271.

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, 1171748 + ... + 1310384.

It is an arithmetic number, because the mean of its divisors is an integer number (16506794832).

Almost surely, 2^172057667042 is an apocalyptic number.

172057667042 is a deficient number, since it is larger than the sum of its proper divisors (92051050270).

172057667042 is a wasteful number, since it uses less digits than its factorization.

172057667042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153113.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 172057667042 in words is "one hundred seventy-two billion, fifty-seven million, six hundred sixty-seven thousand, forty-two".