165049308 has 36 divisors (see below), whose sum is σ = 426914488. Its totient is φ = 53736480.

The previous prime is 165049307. The next prime is 165049321. The reversal of 165049308 is 803940561.

165049308 is a `hidden beast` number, since 165 + 0 + 493 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165049303) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 51763 + ... + 54858.

Almost surely, 2^165049308 is an apocalyptic number.

165049308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

165049308 is an abundant number, since it is smaller than the sum of its proper divisors (261865180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165049308 is a wasteful number, since it uses less digits than its factorization.

165049308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106674 (or 106669 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 165049308 is about 12847.1517465935. The cubic root of 165049308 is about 548.5352851233.

Adding to 165049308 its reverse (803940561), we get a palindrome (968989869).

The spelling of 165049308 in words is "one hundred sixty-five million, forty-nine thousand, three hundred eight".