680651584 has 28 divisors (see below), whose sum is σ = 1352710528. Its totient is φ = 339811200.

The previous prime is 680651567. The next prime is 680651633. The reversal of 680651584 is 485156086.

It is a self number, because there is not a number n which added to its sum of digits gives 680651584.

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, 36529 + ... + 51919.

Almost surely, 2^680651584 is an apocalyptic number.

680651584 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

680651584 is a deficient number, since it is larger than the sum of its proper divisors (672058944).

680651584 is a wasteful number, since it uses less digits than its factorization.

680651584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16094 (or 16084 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 680651584 is about 26089.3001822586. The cubic root of 680651584 is about 879.6467176954.

The spelling of 680651584 in words is "six hundred eighty million, six hundred fifty-one thousand, five hundred eighty-four".