650065608 has 32 divisors (see below), whose sum is σ = 1805738400. Its totient is φ = 216688464.

The previous prime is 650065597. The next prime is 650065613. The reversal of 650065608 is 806560056.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504566 + ... + 1504997.

It is an arithmetic number, because the mean of its divisors is an integer number (56429325).

Almost surely, 2^650065608 is an apocalyptic number.

It is an amenable number.

650065608 is an abundant number, since it is smaller than the sum of its proper divisors (1155672792).

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

650065608 is a wasteful number, since it uses less digits than its factorization.

650065608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009578 (or 3009568 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 650065608 is about 25496.3842142371. The cubic root of 650065608 is about 866.2682490861.

The spelling of 650065608 in words is "six hundred fifty million, sixty-five thousand, six hundred eight".