172116715304 has 16 divisors (see below), whose sum is σ = 336750095520. Its totient is φ = 82316689840.

The previous prime is 172116715249. The next prime is 172116715307. The reversal of 172116715304 is 403517611271.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (172116715307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467708282 + ... + 467708649.

It is an arithmetic number, because the mean of its divisors is an integer number (21046880970).

Almost surely, 2^172116715304 is an apocalyptic number.

It is an amenable number.

172116715304 is a deficient number, since it is larger than the sum of its proper divisors (164633380216).

172116715304 is a wasteful number, since it uses less digits than its factorization.

172116715304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935416960 (or 935416956 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 172116715304 in words is "one hundred seventy-two billion, one hundred sixteen million, seven hundred fifteen thousand, three hundred four".