155665065116 has 48 divisors (see below), whose sum is σ = 313826123520. Its totient is φ = 66817152000.

The previous prime is 155665065109. The next prime is 155665065139. The reversal of 155665065116 is 611560566551.

It is a super-2 number, since 2×155665065116² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39365 + ... + 559356.

It is an arithmetic number, because the mean of its divisors is an integer number (6538044240).

Almost surely, 2^155665065116 is an apocalyptic number.

It is an amenable number.

155665065116 is an abundant number, since it is smaller than the sum of its proper divisors (158161058404).

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

155665065116 is a wasteful number, since it uses less digits than its factorization.

155665065116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599066 (or 599064 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 155665065116 in words is "one hundred fifty-five billion, six hundred sixty-five million, sixty-five thousand, one hundred sixteen".