155567442656 has 24 divisors (see below), whose sum is σ = 306285525000. Its totient is φ = 77780642688.

The previous prime is 155567442637. The next prime is 155567442743. The reversal of 155567442656 is 656244765551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876095 + ... + 1038593.

It is an arithmetic number, because the mean of its divisors is an integer number (12761896875).

Almost surely, 2^155567442656 is an apocalyptic number.

155567442656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155567442656 is a deficient number, since it is larger than the sum of its proper divisors (150718082344).

155567442656 is a wasteful number, since it uses less digits than its factorization.

155567442656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192426 (or 192418 counting only the distinct ones).

The product of its digits is 30240000, while the sum is 56.

The spelling of 155567442656 in words is "one hundred fifty-five billion, five hundred sixty-seven million, four hundred forty-two thousand, six hundred fifty-six".