662869622155 has 16 divisors (see below), whose sum is σ = 907021602144. Its totient is φ = 460709383680.

The previous prime is 662869622143. The next prime is 662869622161. The reversal of 662869622155 is 551226968266.

It is not a de Polignac number, because 662869622155 - 2²⁵ = 662836067723 is a prime.

It is a super-2 number, since 2×662869622155² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 662869622155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299939901 + ... + 299942110.

It is an arithmetic number, because the mean of its divisors is an integer number (56688850134).

Almost surely, 2^662869622155 is an apocalyptic number.

662869622155 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

662869622155 is a deficient number, since it is larger than the sum of its proper divisors (244151979989).

662869622155 is a wasteful number, since it uses less digits than its factorization.

662869622155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599882046.

The product of its digits is 18662400, while the sum is 58.

The spelling of 662869622155 in words is "six hundred sixty-two billion, eight hundred sixty-nine million, six hundred twenty-two thousand, one hundred fifty-five".