155700507660 has 24 divisors (see below), whose sum is σ = 435961421616. Its totient is φ = 41520135360.

The previous prime is 155700507629. The next prime is 155700507661. The reversal of 155700507660 is 66705007551.

It is not an unprimeable number, because it can be changed into a prime (155700507661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297504171 + ... + 1297504290.

It is an arithmetic number, because the mean of its divisors is an integer number (18165059234).

Almost surely, 2^155700507660 is an apocalyptic number.

155700507660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155700507660 is an abundant number, since it is smaller than the sum of its proper divisors (280260913956).

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

155700507660 is a wasteful number, since it uses less digits than its factorization.

155700507660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595008473 (or 2595008471 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 42.

The spelling of 155700507660 in words is "one hundred fifty-five billion, seven hundred million, five hundred seven thousand, six hundred sixty".