172342956916 has 12 divisors (see below), whose sum is σ = 324800188132. Its totient is φ = 79542903168.

The previous prime is 172342956889. The next prime is 172342956941. The reversal of 172342956916 is 619659243271.

It can be written as a sum of positive squares in 2 ways, for example, as 14849859600 + 157493097316 = 121860^2 + 396854^2 .

It is a congruent number.

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, 1657143765 + ... + 1657143868.

Almost surely, 2^172342956916 is an apocalyptic number.

It is an amenable number.

172342956916 is a deficient number, since it is larger than the sum of its proper divisors (152457231216).

172342956916 is a wasteful number, since it uses less digits than its factorization.

172342956916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314287650 (or 3314287648 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 55.

The spelling of 172342956916 in words is "one hundred seventy-two billion, three hundred forty-two million, nine hundred fifty-six thousand, nine hundred sixteen".