165344049 has 24 divisors (see below), whose sum is σ = 265504512. Its totient is φ = 98465760.

The previous prime is 165344017. The next prime is 165344063. The reversal of 165344049 is 940443561.

It is not a de Polignac number, because 165344049 - 2⁵ = 165344017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165344089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19167 + ... + 26420.

It is an arithmetic number, because the mean of its divisors is an integer number (11062688).

Almost surely, 2^165344049 is an apocalyptic number.

It is an amenable number.

165344049 is a deficient number, since it is larger than the sum of its proper divisors (100160463).

165344049 is a wasteful number, since it uses less digits than its factorization.

165344049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45637 (or 45634 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 165344049 is about 12858.6176939825. The cubic root of 165344049 is about 548.8616112313.

The spelling of 165344049 in words is "one hundred sixty-five million, three hundred forty-four thousand, forty-nine".