165398752 has 12 divisors (see below), whose sum is σ = 325628856. Its totient is φ = 82699360.

The previous prime is 165398747. The next prime is 165398759. The reversal of 165398752 is 257893561.

165398752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165398759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2584324 + ... + 2584387.

It is an arithmetic number, because the mean of its divisors is an integer number (27135738).

Almost surely, 2^165398752 is an apocalyptic number.

It is an amenable number.

165398752 is a deficient number, since it is larger than the sum of its proper divisors (160230104).

165398752 is an equidigital number, since it uses as much as digits as its factorization.

165398752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168721 (or 5168713 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 165398752 is about 12860.7446129686. The cubic root of 165398752 is about 548.9221336519.

The spelling of 165398752 in words is "one hundred sixty-five million, three hundred ninety-eight thousand, seven hundred fifty-two".