656331014051 has 4 divisors (see below), whose sum is σ = 657889995504. Its totient is φ = 654772032600.

The previous prime is 656331014047. The next prime is 656331014063. The reversal of 656331014051 is 150410133656.

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

It is a cyclic number.

It is not a de Polignac number, because 656331014051 - 2² = 656331014047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656331014041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779490095 + ... + 779490936.

It is an arithmetic number, because the mean of its divisors is an integer number (164472498876).

Almost surely, 2^656331014051 is an apocalyptic number.

656331014051 is a deficient number, since it is larger than the sum of its proper divisors (1558981453).

656331014051 is a wasteful number, since it uses less digits than its factorization.

656331014051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558981452.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 656331014051 in words is "six hundred fifty-six billion, three hundred thirty-one million, fourteen thousand, fifty-one".