165728253162 has 32 divisors (see below), whose sum is σ = 339134793984. Its totient is φ = 53967384000.

The previous prime is 165728253161. The next prime is 165728253191. The reversal of 165728253162 is 261352827561.

165728253162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165728253162² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165728253161) 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, 390589 + ... + 695712.

It is an arithmetic number, because the mean of its divisors is an integer number (10597962312).

Almost surely, 2^165728253162 is an apocalyptic number.

165728253162 is an abundant number, since it is smaller than the sum of its proper divisors (173406540822).

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

165728253162 is a wasteful number, since it uses less digits than its factorization.

165728253162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086894.

The product of its digits is 1209600, while the sum is 48.

The spelling of 165728253162 in words is "one hundred sixty-five billion, seven hundred twenty-eight million, two hundred fifty-three thousand, one hundred sixty-two".