165352965 has 32 divisors (see below), whose sum is σ = 284103936. Its totient is φ = 81822720.

The previous prime is 165352961. The next prime is 165352969. The reversal of 165352965 is 569253561.

It is an interprime number because it is at equal distance from previous prime (165352961) and next prime (165352969).

It is not a de Polignac number, because 165352965 - 2² = 165352961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165352961) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 13539 + ... + 22671.

It is an arithmetic number, because the mean of its divisors is an integer number (8878248).

Almost surely, 2^165352965 is an apocalyptic number.

165352965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165352965 is a deficient number, since it is larger than the sum of its proper divisors (118750971).

165352965 is a wasteful number, since it uses less digits than its factorization.

165352965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9229.

The product of its digits is 243000, while the sum is 42.

The square root of 165352965 is about 12858.9643828731. The cubic root of 165352965 is about 548.8714766447.

The spelling of 165352965 in words is "one hundred sixty-five million, three hundred fifty-two thousand, nine hundred sixty-five".