681472274186 has 64 divisors (see below), whose sum is σ = 1144657094400. Its totient is φ = 304182964800.

The previous prime is 681472274159. The next prime is 681472274207.

681472274186 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109929515 + ... + 109935713.

It is an arithmetic number, because the mean of its divisors is an integer number (17885267100).

Almost surely, 2^681472274186 is an apocalyptic number.

681472274186 is a deficient number, since it is larger than the sum of its proper divisors (463184820214).

681472274186 is a wasteful number, since it uses less digits than its factorization.

681472274186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972 (or 6950 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 56.

The spelling of 681472274186 in words is "six hundred eighty-one billion, four hundred seventy-two million, two hundred seventy-four thousand, one hundred eighty-six".