650437668 has 24 divisors (see below), whose sum is σ = 1686320160. Its totient is φ = 216812520.

The previous prime is 650437657. The next prime is 650437681. The reversal of 650437668 is 866734056.

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, 3011178 + ... + 3011393.

It is an arithmetic number, because the mean of its divisors is an integer number (70263340).

Almost surely, 2^650437668 is an apocalyptic number.

It is an amenable number.

650437668 is an abundant number, since it is smaller than the sum of its proper divisors (1035882492).

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

650437668 is a wasteful number, since it uses less digits than its factorization.

650437668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022584 (or 6022576 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 650437668 is about 25503.6794992409. The cubic root of 650437668 is about 866.4334848669.

The spelling of 650437668 in words is "six hundred fifty million, four hundred thirty-seven thousand, six hundred sixty-eight".