165085299 has 24 divisors (see below), whose sum is σ = 246795120. Its totient is φ = 106267392.

The previous prime is 165085289. The next prime is 165085303. The reversal of 165085299 is 992580561.

165085299 is a `hidden beast` number, since 1 + 6 + 508 + 52 + 99 = 666.

It is not a de Polignac number, because 165085299 - 2⁵ = 165085267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165085289) 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 23 ways as a sum of consecutive naturals, for example, 32047 + ... + 36839.

It is an arithmetic number, because the mean of its divisors is an integer number (10283130).

Almost surely, 2^165085299 is an apocalyptic number.

165085299 is a deficient number, since it is larger than the sum of its proper divisors (81709821).

165085299 is a wasteful number, since it uses less digits than its factorization.

165085299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931 (or 4928 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 165085299 is about 12848.5524087346. The cubic root of 165085299 is about 548.5751538124.

The spelling of 165085299 in words is "one hundred sixty-five million, eighty-five thousand, two hundred ninety-nine".