165169142045712 has 120 divisors (see below), whose sum is σ = 556083243543360. Its totient is φ = 44707436939520.

The previous prime is 165169142045711. The next prime is 165169142045729. The reversal of 165169142045712 is 217540241961561.

165169142045712 is a `hidden beast` number, since 1 + 6 + 5 + 1 + 69 + 1 + 4 + 2 + 0 + 4 + 571 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (165169142045711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4312040739 + ... + 4312079042.

It is an arithmetic number, because the mean of its divisors is an integer number (4634027029528).

Almost surely, 2^{165169142045712} is an apocalyptic number.

165169142045712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165169142045712 is an abundant number, since it is smaller than the sum of its proper divisors (390914101497648).

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

165169142045712 is a wasteful number, since it uses less digits than its factorization.

165169142045712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624119821 (or 8624119812 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 165169142045712 in words is "one hundred sixty-five trillion, one hundred sixty-nine billion, one hundred forty-two million, forty-five thousand, seven hundred twelve".