165234582040 has 64 divisors (see below), whose sum is σ = 412224642720. Its totient is φ = 59100288000.

The previous prime is 165234581999. The next prime is 165234582047. The reversal of 165234582040 is 40285432561.

165234582040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 165234581984 and 165234582002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165234582047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051301 + ... + 3104980.

Almost surely, 2^165234582040 is an apocalyptic number.

165234582040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165234582040 is an abundant number, since it is smaller than the sum of its proper divisors (246990060680).

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

165234582040 is a wasteful number, since it uses less digits than its factorization.

165234582040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6156364 (or 6156360 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 165234582040 in words is "one hundred sixty-five billion, two hundred thirty-four million, five hundred eighty-two thousand, forty".