662868669856 has 24 divisors (see below), whose sum is σ = 1305040845024. Its totient is φ = 331429725120.

The previous prime is 662868669833. The next prime is 662868669893. The reversal of 662868669856 is 658966868266.

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 3 ways as a sum of consecutive naturals, for example, 4338051 + ... + 4488253.

It is an arithmetic number, because the mean of its divisors is an integer number (54376701876).

Almost surely, 2^662868669856 is an apocalyptic number.

It is an amenable number.

662868669856 is a deficient number, since it is larger than the sum of its proper divisors (642172175168).

662868669856 is a wasteful number, since it uses less digits than its factorization.

662868669856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288124 (or 288116 counting only the distinct ones).

The product of its digits is 2149908480, while the sum is 76.

The spelling of 662868669856 in words is "six hundred sixty-two billion, eight hundred sixty-eight million, six hundred sixty-nine thousand, eight hundred fifty-six".