165452164 has 12 divisors (see below), whose sum is σ = 293508124. Its totient is φ = 81592704.

The previous prime is 165452141. The next prime is 165452201. The reversal of 165452164 is 461254561.

It can be written as a sum of positive squares in 2 ways, for example, as 55621764 + 109830400 = 7458^2 + 10480^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283017 + ... + 283600.

Almost surely, 2^165452164 is an apocalyptic number.

It is an amenable number.

165452164 is a deficient number, since it is larger than the sum of its proper divisors (128055960).

165452164 is a wasteful number, since it uses less digits than its factorization.

165452164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566694 (or 566692 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 165452164 is about 12862.8209969664. The cubic root of 165452164 is about 548.9812148586.

The spelling of 165452164 in words is "one hundred sixty-five million, four hundred fifty-two thousand, one hundred sixty-four".