662725808118816 has 144 divisors (see below), whose sum is σ = 1977268504184064. Its totient is φ = 193183231385088.

The previous prime is 662725808118667. The next prime is 662725808118851. The reversal of 662725808118816 is 618811808527266.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 735048496 + ... + 735949551.

It is an arithmetic number, because the mean of its divisors is an integer number (13731031279056).

Almost surely, 2^{662725808118816} is an apocalyptic number.

It is an amenable number.

662725808118816 is an abundant number, since it is smaller than the sum of its proper divisors (1314542696065248).

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

662725808118816 is a wasteful number, since it uses less digits than its factorization.

662725808118816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470998111 (or 1470998084 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 69.

The spelling of 662725808118816 in words is "six hundred sixty-two trillion, seven hundred twenty-five billion, eight hundred eight million, one hundred eighteen thousand, eight hundred sixteen".