165032423740 has 24 divisors (see below), whose sum is σ = 346576692672. Its totient is φ = 66011330880.

The previous prime is 165032423711. The next prime is 165032423753. The reversal of 165032423740 is 47324230561.

It is a self number, because there is not a number n which added to its sum of digits gives 165032423740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027485 + ... + 1177195.

It is an arithmetic number, because the mean of its divisors is an integer number (14440695528).

Almost surely, 2^165032423740 is an apocalyptic number.

165032423740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165032423740 is an abundant number, since it is smaller than the sum of its proper divisors (181544268932).

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

165032423740 is a wasteful number, since it uses less digits than its factorization.

165032423740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204837 (or 204835 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 165032423740 in words is "one hundred sixty-five billion, thirty-two million, four hundred twenty-three thousand, seven hundred forty".