165102142077744 has 20 divisors (see below), whose sum is σ = 426513867034296. Its totient is φ = 55034047359232.

The previous prime is 165102142077713. The next prime is 165102142077781. The reversal of 165102142077744 is 447770241201561.

It is a super-2 number, since 2×165102142077744² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719813979929 + ... + 1719813980024.

Almost surely, 2^{165102142077744} is an apocalyptic number.

It is an amenable number.

165102142077744 is an abundant number, since it is smaller than the sum of its proper divisors (261411724956552).

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

165102142077744 is a wasteful number, since it uses less digits than its factorization.

165102142077744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439627959964 (or 3439627959958 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 165102142077744 in words is "one hundred sixty-five trillion, one hundred two billion, one hundred forty-two million, seventy-seven thousand, seven hundred forty-four".