165574472 has 64 divisors (see below), whose sum is σ = 369623040. Its totient is φ = 68040000.

The previous prime is 165574433. The next prime is 165574499. The reversal of 165574472 is 274475561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220097 + ... + 220847.

It is an arithmetic number, because the mean of its divisors is an integer number (5775360).

Almost surely, 2^165574472 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 165574472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184811520).

165574472 is an abundant number, since it is smaller than the sum of its proper divisors (204048568).

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

165574472 is a wasteful number, since it uses less digits than its factorization.

165574472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 918 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 165574472 is about 12867.5744412069. The cubic root of 165574472 is about 549.1164568813.

The spelling of 165574472 in words is "one hundred sixty-five million, five hundred seventy-four thousand, four hundred seventy-two".