165002730 has 32 divisors (see below), whose sum is σ = 398865600. Its totient is φ = 43683072.

The previous prime is 165002701. The next prime is 165002741. The reversal of 165002730 is 37200561.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 165002730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15615 + ... + 23954.

It is an arithmetic number, because the mean of its divisors is an integer number (12464550).

Almost surely, 2^165002730 is an apocalyptic number.

165002730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165002730 is an abundant number, since it is smaller than the sum of its proper divisors (233862870).

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

165002730 is a wasteful number, since it uses less digits than its factorization.

165002730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39718.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 165002730 is about 12845.3388433315. The cubic root of 165002730 is about 548.4836801805.

The spelling of 165002730 in words is "one hundred sixty-five million, two thousand, seven hundred thirty".