165582493188 has 48 divisors (see below), whose sum is σ = 455796977664. Its totient is φ = 45783177120.

The previous prime is 165582493187. The next prime is 165582493207. The reversal of 165582493188 is 881394285561.

It is not an unprimeable number, because it can be changed into a prime (165582493187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31791270 + ... + 31796477.

It is an arithmetic number, because the mean of its divisors is an integer number (9495770368).

Almost surely, 2^165582493188 is an apocalyptic number.

It is an amenable number.

165582493188 is an abundant number, since it is smaller than the sum of its proper divisors (290214484476).

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

165582493188 is a wasteful number, since it uses less digits than its factorization.

165582493188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63587792 (or 63587790 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 60.

The spelling of 165582493188 in words is "one hundred sixty-five billion, five hundred eighty-two million, four hundred ninety-three thousand, one hundred eighty-eight".