656050994 has 4 divisors (see below), whose sum is σ = 984076494. Its totient is φ = 328025496.

The previous prime is 656050987. The next prime is 656051003. The reversal of 656050994 is 499050656.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 636805225 + 19245769 = 25235^2 + 4387^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164012747 + ... + 164012750.

Almost surely, 2^656050994 is an apocalyptic number.

656050994 is a deficient number, since it is larger than the sum of its proper divisors (328025500).

656050994 is a wasteful number, since it uses less digits than its factorization.

656050994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328025499.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 656050994 is about 25613.4924209878. The cubic root of 656050994 is about 868.9188110509.

The spelling of 656050994 in words is "six hundred fifty-six million, fifty thousand, nine hundred ninety-four".