165464224 has 24 divisors (see below), whose sum is σ = 326198880. Its totient is φ = 82620096.

The previous prime is 165464207. The next prime is 165464279. The reversal of 165464224 is 422464561.

It is a self number, because there is not a number n which added to its sum of digits gives 165464224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23767 + ... + 29929.

It is an arithmetic number, because the mean of its divisors is an integer number (13591620).

Almost surely, 2^165464224 is an apocalyptic number.

It is an amenable number.

165464224 is a deficient number, since it is larger than the sum of its proper divisors (160734656).

165464224 is an equidigital number, since it uses as much as digits as its factorization.

165464224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012 (or 7004 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 165464224 is about 12863.2897813895. The cubic root of 165464224 is about 548.9945531602.

The spelling of 165464224 in words is "one hundred sixty-five million, four hundred sixty-four thousand, two hundred twenty-four".