655730316 has 30 divisors (see below), whose sum is σ = 1714209420. Its totient is φ = 218576664.

The previous prime is 655730303. The next prime is 655730333. The reversal of 655730316 is 613037556.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1011606 + ... + 1012253.

It is an arithmetic number, because the mean of its divisors is an integer number (57140314).

Almost surely, 2^655730316 is an apocalyptic number.

It is an amenable number.

655730316 is an abundant number, since it is smaller than the sum of its proper divisors (1058479104).

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

655730316 is a wasteful number, since it uses less digits than its factorization.

655730316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023875 (or 2023864 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 655730316 is about 25607.2317129361. The cubic root of 655730316 is about 868.7772120179. Note that the first 3 decimals are identical.

The spelling of 655730316 in words is "six hundred fifty-five million, seven hundred thirty thousand, three hundred sixteen".