172107015144 has 16 divisors (see below), whose sum is σ = 430267537920. Its totient is φ = 57369005040.

The previous prime is 172107015121. The next prime is 172107015163. The reversal of 172107015144 is 441510701271.

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, 3585562792 + ... + 3585562839.

It is an arithmetic number, because the mean of its divisors is an integer number (26891721120).

Almost surely, 2^172107015144 is an apocalyptic number.

It is an amenable number.

172107015144 is an abundant number, since it is smaller than the sum of its proper divisors (258160522776).

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

172107015144 is a wasteful number, since it uses less digits than its factorization.

172107015144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171125640 (or 7171125636 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The spelling of 172107015144 in words is "one hundred seventy-two billion, one hundred seven million, fifteen thousand, one hundred forty-four".