650829664 has 48 divisors (see below), whose sum is σ = 1296116640. Its totient is φ = 321684480.

The previous prime is 650829659. The next prime is 650829691. The reversal of 650829664 is 466928056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1812717 + ... + 1813075.

It is an arithmetic number, because the mean of its divisors is an integer number (27002430).

Almost surely, 2^650829664 is an apocalyptic number.

It is an amenable number.

650829664 is a deficient number, since it is larger than the sum of its proper divisors (645286976).

650829664 is a wasteful number, since it uses less digits than its factorization.

650829664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 650829664 is about 25511.3634288722. The cubic root of 650829664 is about 866.6075062838.

The spelling of 650829664 in words is "six hundred fifty million, eight hundred twenty-nine thousand, six hundred sixty-four".