165324357 has 18 divisors (see below), whose sum is σ = 262486406. Its totient is φ = 100195920.

The previous prime is 165324349. The next prime is 165324359. The reversal of 165324357 is 753423561.

165324357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 84162276 + 81162081 = 9174^2 + 9009^2 .

It is not a de Polignac number, because 165324357 - 2³ = 165324349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165324359) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 74818 + ... + 76995.

Almost surely, 2^165324357 is an apocalyptic number.

It is an amenable number.

165324357 is a deficient number, since it is larger than the sum of its proper divisors (97162049).

165324357 is a wasteful number, since it uses less digits than its factorization.

165324357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151841 (or 151827 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 165324357 is about 12857.8519590171. The cubic root of 165324357 is about 548.8398210873.

The spelling of 165324357 in words is "one hundred sixty-five million, three hundred twenty-four thousand, three hundred fifty-seven".