165022464 has 72 divisors (see below), whose sum is σ = 442419712. Its totient is φ = 54604800.

The previous prime is 165022439. The next prime is 165022471. The reversal of 165022464 is 464220561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115257 + ... + 116679.

Almost surely, 2^165022464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165022464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221209856).

165022464 is an abundant number, since it is smaller than the sum of its proper divisors (277397248).

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

165022464 is a wasteful number, since it uses less digits than its factorization.

165022464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 165022464 is about 12846.1069589195. The cubic root of 165022464 is about 548.5055451631.

The spelling of 165022464 in words is "one hundred sixty-five million, twenty-two thousand, four hundred sixty-four".