155664205662 has 64 divisors (see below), whose sum is σ = 356793431040. Its totient is φ = 44351940096.

The previous prime is 155664205661. The next prime is 155664205681. The reversal of 155664205662 is 266502466551.

155664205662 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155664205661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53363028 + ... + 53365944.

It is an arithmetic number, because the mean of its divisors is an integer number (5574897360).

Almost surely, 2^155664205662 is an apocalyptic number.

155664205662 is an abundant number, since it is smaller than the sum of its proper divisors (201129225378).

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

155664205662 is a wasteful number, since it uses less digits than its factorization.

155664205662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 155664205662 in words is "one hundred fifty-five billion, six hundred sixty-four million, two hundred five thousand, six hundred sixty-two".