165241005156 has 48 divisors (see below), whose sum is σ = 432644244480. Its totient is φ = 54534981600.

The previous prime is 165241005143. The next prime is 165241005161. The reversal of 165241005156 is 651500142561.

165241005156 is a `hidden beast` number, since 16 + 5 + 24 + 100 + 515 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 165241005156.

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, 7563396 + ... + 7585211.

It is an arithmetic number, because the mean of its divisors is an integer number (9013421760).

Almost surely, 2^165241005156 is an apocalyptic number.

It is an amenable number.

165241005156 is an abundant number, since it is smaller than the sum of its proper divisors (267403239324).

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

165241005156 is a wasteful number, since it uses less digits than its factorization.

165241005156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15148721 (or 15148713 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 165241005156 in words is "one hundred sixty-five billion, two hundred forty-one million, five thousand, one hundred fifty-six".