655006166234556 has 24 divisors (see below), whose sum is σ = 1529266751760384. Its totient is φ = 218204098666800.

The previous prime is 655006166234549. The next prime is 655006166234699. The reversal of 655006166234556 is 655432661600556.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 655006166234556.

It is a congruent number.

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, 16411238970 + ... + 16411278881.

It is an arithmetic number, because the mean of its divisors is an integer number (63719447990016).

Almost surely, 2^{655006166234556} is an apocalyptic number.

It is an amenable number.

655006166234556 is an abundant number, since it is smaller than the sum of its proper divisors (874260585525828).

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

655006166234556 is a wasteful number, since it uses less digits than its factorization.

655006166234556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32822519521 (or 32822519519 counting only the distinct ones).

The product of its (nonzero) digits is 116640000, while the sum is 60.

The spelling of 655006166234556 in words is "six hundred fifty-five trillion, six billion, one hundred sixty-six million, two hundred thirty-four thousand, five hundred fifty-six".