172046477615488 has 64 divisors (see below), whose sum is σ = 408743960843520. Its totient is φ = 70528369697280.

The previous prime is 172046477615413. The next prime is 172046477615533. The reversal of 172046477615488 is 884516774640271.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×172046477615488² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4174243698 + ... + 4174284913.

It is an arithmetic number, because the mean of its divisors is an integer number (6386624388180).

Almost surely, 2^{172046477615488} is an apocalyptic number.

It is an amenable number.

172046477615488 is an abundant number, since it is smaller than the sum of its proper divisors (236697483228032).

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

172046477615488 is an equidigital number, since it uses as much as digits as its factorization.

172046477615488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8348528655 (or 8348528643 counting only the distinct ones).

The product of its (nonzero) digits is 505774080, while the sum is 70.

The spelling of 172046477615488 in words is "one hundred seventy-two trillion, forty-six billion, four hundred seventy-seven million, six hundred fifteen thousand, four hundred eighty-eight".