665362256682 has 16 divisors (see below), whose sum is σ = 1330814854080. Its totient is φ = 221772362112.

The previous prime is 665362256633. The next prime is 665362256707. The reversal of 665362256682 is 286652263566.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3668263 + ... + 3845370.

It is an arithmetic number, because the mean of its divisors is an integer number (83175928380).

Almost surely, 2^665362256682 is an apocalyptic number.

665362256682 is an abundant number, since it is smaller than the sum of its proper divisors (665452597398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

665362256682 is a wasteful number, since it uses less digits than its factorization.

665362256682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528397.

The product of its digits is 37324800, while the sum is 57.

The spelling of 665362256682 in words is "six hundred sixty-five billion, three hundred sixty-two million, two hundred fifty-six thousand, six hundred eighty-two".