650541656 has 8 divisors (see below), whose sum is σ = 1219765620. Its totient is φ = 325270824.

The previous prime is 650541643. The next prime is 650541701. The reversal of 650541656 is 656145056.

650541656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40658846 + ... + 40658861.

Almost surely, 2^650541656 is an apocalyptic number.

It is an amenable number.

650541656 is a deficient number, since it is larger than the sum of its proper divisors (569223964).

650541656 is a wasteful number, since it uses less digits than its factorization.

650541656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81317713 (or 81317709 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 650541656 is about 25505.7181039860. The cubic root of 650541656 is about 866.4796557703.

The spelling of 650541656 in words is "six hundred fifty million, five hundred forty-one thousand, six hundred fifty-six".