165053328 has 40 divisors (see below), whose sum is σ = 465151776. Its totient is φ = 50016000.

The previous prime is 165053327. The next prime is 165053347. The reversal of 165053328 is 823350561.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (165053327) 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, 155773 + ... + 156828.

Almost surely, 2^165053328 is an apocalyptic number.

It is an amenable number.

165053328 is an abundant number, since it is smaller than the sum of its proper divisors (300098448).

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

165053328 is a wasteful number, since it uses less digits than its factorization.

165053328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312623 (or 312617 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 165053328 is about 12847.3082005531. The cubic root of 165053328 is about 548.5397385277.

It can be divided in two parts, 1650533 and 28, that added together give a palindrome (1650561).

The spelling of 165053328 in words is "one hundred sixty-five million, fifty-three thousand, three hundred twenty-eight".