165115005044 has 12 divisors (see below), whose sum is σ = 315219555168. Its totient is φ = 75052275000.

The previous prime is 165115005023. The next prime is 165115005047. The reversal of 165115005044 is 440500511561.

It is a self number, because there is not a number n which added to its sum of digits gives 165115005044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165115005047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876306832 + ... + 1876306919.

It is an arithmetic number, because the mean of its divisors is an integer number (26268296264).

Almost surely, 2^165115005044 is an apocalyptic number.

It is an amenable number.

165115005044 is a deficient number, since it is larger than the sum of its proper divisors (150104550124).

165115005044 is a wasteful number, since it uses less digits than its factorization.

165115005044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752613766 (or 3752613764 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 165115005044 in words is "one hundred sixty-five billion, one hundred fifteen million, five thousand, forty-four".