650464664 has 16 divisors (see below), whose sum is σ = 1261677600. Its totient is φ = 314017312.

The previous prime is 650464657. The next prime is 650464697. The reversal of 650464664 is 466464056.

It is a super-2 number, since 2×650464664² = 846208558225265792, which contains 22 as substring.

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, 1401632 + ... + 1402095.

It is an arithmetic number, because the mean of its divisors is an integer number (78854850).

Almost surely, 2^650464664 is an apocalyptic number.

It is an amenable number.

650464664 is a deficient number, since it is larger than the sum of its proper divisors (611212936).

650464664 is a wasteful number, since it uses less digits than its factorization.

650464664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803762 (or 2803758 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The square root of 650464664 is about 25504.2087507141. The cubic root of 650464664 is about 866.4454716239.

The spelling of 650464664 in words is "six hundred fifty million, four hundred sixty-four thousand, six hundred sixty-four".