56951614966 has 16 divisors (see below), whose sum is σ = 92556115344. Its totient is φ = 26177485824.

The previous prime is 56951614943. The next prime is 56951614981. The reversal of 56951614966 is 66941615965.

It is a self number, because there is not a number n which added to its sum of digits gives 56951614966.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19475835 + ... + 19478758.

It is an arithmetic number, because the mean of its divisors is an integer number (5784757209).

Almost surely, 2^56951614966 is an apocalyptic number.

56951614966 is a deficient number, since it is larger than the sum of its proper divisors (35604500378).

56951614966 is a wasteful number, since it uses less digits than its factorization.

56951614966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38954655.

The product of its digits is 10497600, while the sum is 58.

Subtracting 56951614966 from its reverse (66941615965), we obtain a palindrome (9990000999).

The spelling of 56951614966 in words is "fifty-six billion, nine hundred fifty-one million, six hundred fourteen thousand, nine hundred sixty-six".