165265562562 has 16 divisors (see below), whose sum is σ = 339464399232. Its totient is φ = 53599641840.

The previous prime is 165265562513. The next prime is 165265562563. The reversal of 165265562562 is 265265562561.

165265562562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165265562563) 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 7 ways as a sum of consecutive naturals, for example, 372219514 + ... + 372219957.

It is an arithmetic number, because the mean of its divisors is an integer number (21216524952).

Almost surely, 2^165265562562 is an apocalyptic number.

165265562562 is an abundant number, since it is smaller than the sum of its proper divisors (174198836670).

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

165265562562 is a wasteful number, since it uses less digits than its factorization.

165265562562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744439513.

The product of its digits is 6480000, while the sum is 51.

Subtracting 165265562562 from its reverse (265265562561), we obtain a palindrome (99999999999).

The spelling of 165265562562 in words is "one hundred sixty-five billion, two hundred sixty-five million, five hundred sixty-two thousand, five hundred sixty-two".