164265424 has 20 divisors (see below), whose sum is σ = 336986244. Its totient is φ = 77301248.

The previous prime is 164265421. The next prime is 164265433. The reversal of 164265424 is 424562461.

It can be written as a sum of positive squares in 2 ways, for example, as 137639824 + 26625600 = 11732^2 + 5160^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 164265424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164265421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301687 + ... + 302230.

Almost surely, 2^164265424 is an apocalyptic number.

It is an amenable number.

164265424 is an abundant number, since it is smaller than the sum of its proper divisors (172720820).

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

164265424 is a wasteful number, since it uses less digits than its factorization.

164265424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603942 (or 603936 counting only the distinct ones).

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

The square root of 164265424 is about 12816.6073514015. The cubic root of 164265424 is about 547.6655035050.

The spelling of 164265424 in words is "one hundred sixty-four million, two hundred sixty-five thousand, four hundred twenty-four".