656513316 has 48 divisors (see below), whose sum is σ = 1714534080. Its totient is φ = 217235520.

The previous prime is 656513287. The next prime is 656513353. The reversal of 656513316 is 613315656.

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 15 ways as a sum of consecutive naturals, for example, 7390 + ... + 36981.

It is an arithmetic number, because the mean of its divisors is an integer number (35719460).

Almost surely, 2^656513316 is an apocalyptic number.

It is an amenable number.

656513316 is an abundant number, since it is smaller than the sum of its proper divisors (1058020764).

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

656513316 is a wasteful number, since it uses less digits than its factorization.

656513316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44521 (or 44513 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 656513316 is about 25622.5158015367. The cubic root of 656513316 is about 869.1228734173.

It can be divided in two parts, 6565 and 13316, that added together give a square (19881 = 141²).

The spelling of 656513316 in words is "six hundred fifty-six million, five hundred thirteen thousand, three hundred sixteen".