656242682 has 8 divisors (see below), whose sum is σ = 1018307700. Its totient is φ = 316806784.

The previous prime is 656242681. The next prime is 656242703. The reversal of 656242682 is 286242656.

It can be written as a sum of positive squares in 2 ways, for example, as 566011681 + 90231001 = 23791^2 + 9499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (656242681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5657207 + ... + 5657322.

Almost surely, 2^656242682 is an apocalyptic number.

656242682 is a deficient number, since it is larger than the sum of its proper divisors (362065018).

656242682 is a wasteful number, since it uses less digits than its factorization.

656242682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11314560.

The product of its digits is 276480, while the sum is 41.

The square root of 656242682 is about 25617.2340817661. The cubic root of 656242682 is about 869.0034310429.

The spelling of 656242682 in words is "six hundred fifty-six million, two hundred forty-two thousand, six hundred eighty-two".