165453057 has 48 divisors (see below), whose sum is σ = 311083200. Its totient is φ = 85942080.

The previous prime is 165453031. The next prime is 165453059. The reversal of 165453057 is 750354561.

It is not a de Polignac number, because 165453057 - 2⁷ = 165452929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165453059) 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 47 ways as a sum of consecutive naturals, for example, 8869 + ... + 20237.

It is an arithmetic number, because the mean of its divisors is an integer number (6480900).

Almost surely, 2^165453057 is an apocalyptic number.

It is an amenable number.

165453057 is a deficient number, since it is larger than the sum of its proper divisors (145630143).

165453057 is a wasteful number, since it uses less digits than its factorization.

165453057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11403 (or 11390 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 165453057 is about 12862.8557093672. The cubic root of 165453057 is about 548.9822025345.

The spelling of 165453057 in words is "one hundred sixty-five million, four hundred fifty-three thousand, fifty-seven".