165730552 has 32 divisors (see below), whose sum is σ = 354337200. Its totient is φ = 71990784.

The previous prime is 165730541. The next prime is 165730553. The reversal of 165730552 is 255037561.

165730552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165730553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45102 + ... + 48637.

Almost surely, 2^165730552 is an apocalyptic number.

It is an amenable number.

165730552 is an abundant number, since it is smaller than the sum of its proper divisors (188606648).

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

165730552 is a wasteful number, since it uses less digits than its factorization.

165730552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93775 (or 93771 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 165730552 is about 12873.6378696932. The cubic root of 165730552 is about 549.2889455892.

The spelling of 165730552 in words is "one hundred sixty-five million, seven hundred thirty thousand, five hundred fifty-two".