650016564 has 24 divisors (see below), whose sum is σ = 1518945120. Its totient is φ = 216352224.

The previous prime is 650016553. The next prime is 650016571. The reversal of 650016564 is 465610056.

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, 31459 + ... + 47850.

It is an arithmetic number, because the mean of its divisors is an integer number (63289380).

Almost surely, 2^650016564 is an apocalyptic number.

It is an amenable number.

650016564 is an abundant number, since it is smaller than the sum of its proper divisors (868928556).

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

650016564 is a wasteful number, since it uses less digits than its factorization.

650016564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79999 (or 79997 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 650016564 is about 25495.4224126607. The cubic root of 650016564 is about 866.2464634243.

The spelling of 650016564 in words is "six hundred fifty million, sixteen thousand, five hundred sixty-four".