165225152 has 14 divisors (see below), whose sum is σ = 327868788. Its totient is φ = 82612544.

The previous prime is 165225127. The next prime is 165225161. The reversal of 165225152 is 251522561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290758 + ... + 1290885.

Almost surely, 2^165225152 is an apocalyptic number.

It is an amenable number.

165225152 is a deficient number, since it is larger than the sum of its proper divisors (162643636).

165225152 is an equidigital number, since it uses as much as digits as its factorization.

165225152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581655 (or 2581645 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 165225152 is about 12853.9936206612. The cubic root of 165225152 is about 548.7300196647.

The spelling of 165225152 in words is "one hundred sixty-five million, two hundred twenty-five thousand, one hundred fifty-two".