155101660256 has 24 divisors (see below), whose sum is σ = 306236405160. Its totient is φ = 77327335168.

The previous prime is 155101660249. The next prime is 155101660283. The reversal of 155101660256 is 652066101551.

It is a happy number.

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, 6972941 + ... + 6995148.

It is an arithmetic number, because the mean of its divisors is an integer number (12759850215).

Almost surely, 2^155101660256 is an apocalyptic number.

155101660256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155101660256 is a deficient number, since it is larger than the sum of its proper divisors (151134744904).

155101660256 is a wasteful number, since it uses less digits than its factorization.

155101660256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13968446 (or 13968438 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 155101660256 in words is "one hundred fifty-five billion, one hundred one million, six hundred sixty thousand, two hundred fifty-six".