165544352 has 12 divisors (see below), whose sum is σ = 325915506. Its totient is φ = 82772160.

The previous prime is 165544349. The next prime is 165544417. The reversal of 165544352 is 253445561.

It can be written as a sum of positive squares in only one way, i.e., 164762896 + 781456 = 12836^2 + 884^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 2586599 + ... + 2586662.

Almost surely, 2^165544352 is an apocalyptic number.

It is an amenable number.

165544352 is a deficient number, since it is larger than the sum of its proper divisors (160371154).

165544352 is an equidigital number, since it uses as much as digits as its factorization.

165544352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173271 (or 5173263 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 165544352 is about 12866.4040042274. The cubic root of 165544352 is about 549.0831578860.

The spelling of 165544352 in words is "one hundred sixty-five million, five hundred forty-four thousand, three hundred fifty-two".