172331268460 has 48 divisors (see below), whose sum is σ = 389839413600. Its totient is φ = 63612762624.

The previous prime is 172331268409. The next prime is 172331268539. The reversal of 172331268460 is 64862133271.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892011 + ... + 1067869.

It is an arithmetic number, because the mean of its divisors is an integer number (8121654450).

Almost surely, 2^172331268460 is an apocalyptic number.

172331268460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172331268460 is an abundant number, since it is smaller than the sum of its proper divisors (217508145140).

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

172331268460 is a wasteful number, since it uses less digits than its factorization.

172331268460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179650 (or 179648 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 172331268460 in words is "one hundred seventy-two billion, three hundred thirty-one million, two hundred sixty-eight thousand, four hundred sixty".