165012450 has 48 divisors (see below), whose sum is σ = 410033280. Its totient is φ = 43917120.

The previous prime is 165012443. The next prime is 165012461. The reversal of 165012450 is 54210561.

It is a self number, because there is not a number n which added to its sum of digits gives 165012450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123687 + ... + 125013.

It is an arithmetic number, because the mean of its divisors is an integer number (8542360).

Almost surely, 2^165012450 is an apocalyptic number.

165012450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165012450 is an abundant number, since it is smaller than the sum of its proper divisors (245020830).

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

165012450 is a wasteful number, since it uses less digits than its factorization.

165012450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 165012450 is about 12845.7171851166. The cubic root of 165012450 is about 548.4944500158.

The spelling of 165012450 in words is "one hundred sixty-five million, twelve thousand, four hundred fifty".