655632760 has 16 divisors (see below), whose sum is σ = 1475173800. Its totient is φ = 262253088.

The previous prime is 655632749. The next prime is 655632793. The reversal of 655632760 is 67236556.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 16390819 = 655632760 / (6 + 5 + 5 + 6 + 3 + 2 + 7 + 6 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8195370 + ... + 8195449.

Almost surely, 2^655632760 is an apocalyptic number.

It is an amenable number.

655632760 is an abundant number, since it is smaller than the sum of its proper divisors (819541040).

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

655632760 is a wasteful number, since it uses less digits than its factorization.

655632760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16390830 (or 16390826 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 655632760 is about 25605.3267895569. The cubic root of 655632760 is about 868.7341258939.

The spelling of 655632760 in words is "six hundred fifty-five million, six hundred thirty-two thousand, seven hundred sixty".