165468864831 has 8 divisors (see below), whose sum is σ = 220722396720. Its totient is φ = 110263954752.

The previous prime is 165468864751. The next prime is 165468864839. The reversal of 165468864831 is 138468864561.

It is a happy number.

165468864831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165468864831 - 2³⁰ = 164395123007 is a prime.

It is a super-2 number, since 2×165468864831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165468864839) 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, 12147510 + ... + 12161123.

It is an arithmetic number, because the mean of its divisors is an integer number (27590299590).

Almost surely, 2^165468864831 is an apocalyptic number.

165468864831 is a deficient number, since it is larger than the sum of its proper divisors (55253531889).

165468864831 is a wasteful number, since it uses less digits than its factorization.

165468864831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24310905.

The product of its digits is 26542080, while the sum is 60.

The spelling of 165468864831 in words is "one hundred sixty-five billion, four hundred sixty-eight million, eight hundred sixty-four thousand, eight hundred thirty-one".