165672352 has 12 divisors (see below), whose sum is σ = 326167506. Its totient is φ = 82836160.

The previous prime is 165672313. The next prime is 165672371. The reversal of 165672352 is 253276561.

It can be written as a sum of positive squares in only one way, i.e., 95179536 + 70492816 = 9756^2 + 8396^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2588599 + ... + 2588662.

Almost surely, 2^165672352 is an apocalyptic number.

It is an amenable number.

165672352 is a deficient number, since it is larger than the sum of its proper divisors (160495154).

165672352 is an equidigital number, since it uses as much as digits as its factorization.

165672352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177271 (or 5177263 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 165672352 is about 12871.3772378872. The cubic root of 165672352 is about 549.2246396839.

The spelling of 165672352 in words is "one hundred sixty-five million, six hundred seventy-two thousand, three hundred fifty-two".