581660079608 has 16 divisors (see below), whose sum is σ = 1105552549680. Its totient is φ = 286846066368.

The previous prime is 581660079593. The next prime is 581660079631. The reversal of 581660079608 is 806970066185.

It is a happy number.

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, 497996060 + ... + 497997227.

It is an arithmetic number, because the mean of its divisors is an integer number (69097034355).

Almost surely, 2^581660079608 is an apocalyptic number.

It is an amenable number.

581660079608 is a deficient number, since it is larger than the sum of its proper divisors (523892470072).

581660079608 is a wasteful number, since it uses less digits than its factorization.

581660079608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995993366 (or 995993362 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 581660079608 in words is "five hundred eighty-one billion, six hundred sixty million, seventy-nine thousand, six hundred eight".