165503152 has 10 divisors (see below), whose sum is σ = 320662388. Its totient is φ = 82751568.

The previous prime is 165503137. The next prime is 165503159. The reversal of 165503152 is 251305561.

It is a self number, because there is not a number n which added to its sum of digits gives 165503152.

It is not an unprimeable number, because it can be changed into a prime (165503159) 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 as a sum of consecutive naturals, namely, 5171958 + ... + 5171989.

Almost surely, 2^165503152 is an apocalyptic number.

It is an amenable number.

165503152 is a deficient number, since it is larger than the sum of its proper divisors (155159236).

165503152 is a wasteful number, since it uses less digits than its factorization.

165503152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343955 (or 10343949 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 165503152 is about 12864.8028356442. The cubic root of 165503152 is about 549.0376029178.

The spelling of 165503152 in words is "one hundred sixty-five million, five hundred three thousand, one hundred fifty-two".