155267228568 has 32 divisors (see below), whose sum is σ = 388177796160. Its totient is φ = 51754446240.

The previous prime is 155267228551. The next prime is 155267228621. The reversal of 155267228568 is 865822762551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1662063 + ... + 1752993.

It is an arithmetic number, because the mean of its divisors is an integer number (12130556130).

Almost surely, 2^155267228568 is an apocalyptic number.

It is an amenable number.

155267228568 is an abundant number, since it is smaller than the sum of its proper divisors (232910567592).

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

155267228568 is a wasteful number, since it uses less digits than its factorization.

155267228568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162087 (or 162083 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 57.

The spelling of 155267228568 in words is "one hundred fifty-five billion, two hundred sixty-seven million, two hundred twenty-eight thousand, five hundred sixty-eight".