172390162375 has 16 divisors (see below), whose sum is σ = 215156114784. Its totient is φ = 137903673600.

The previous prime is 172390162363. The next prime is 172390162403. The reversal of 172390162375 is 573261093271.

It is not a de Polignac number, because 172390162375 - 2¹⁹ = 172389638087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2727127 + ... + 2789623.

It is an arithmetic number, because the mean of its divisors is an integer number (13447257174).

Almost surely, 2^172390162375 is an apocalyptic number.

172390162375 is a deficient number, since it is larger than the sum of its proper divisors (42765952409).

172390162375 is an equidigital number, since it uses as much as digits as its factorization.

172390162375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84579 (or 84569 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 172390162375 in words is "one hundred seventy-two billion, three hundred ninety million, one hundred sixty-two thousand, three hundred seventy-five".