650652066 has 48 divisors (see below), whose sum is σ = 1434180384. Its totient is φ = 213147072.

The previous prime is 650652043. The next prime is 650652073. The reversal of 650652066 is 660256056.

It is a super-2 number, since 2×650652066² = 846696221980136712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 650652066.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455245 + ... + 456671.

It is an arithmetic number, because the mean of its divisors is an integer number (29878758).

Almost surely, 2^650652066 is an apocalyptic number.

650652066 is an abundant number, since it is smaller than the sum of its proper divisors (783528318).

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

650652066 is a wasteful number, since it uses less digits than its factorization.

650652066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 650652066 is about 25507.8824287709. The cubic root of 650652066 is about 866.5286726709.

The spelling of 650652066 in words is "six hundred fifty million, six hundred fifty-two thousand, sixty-six".