165052030 has 32 divisors (see below), whose sum is σ = 349036128. Its totient is φ = 55401600.

The previous prime is 165051989. The next prime is 165052033. The reversal of 165052030 is 30250561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 165051992 and 165052010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165052033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56281 + ... + 59140.

It is an arithmetic number, because the mean of its divisors is an integer number (10907379).

Almost surely, 2^165052030 is an apocalyptic number.

165052030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165052030 is an abundant number, since it is smaller than the sum of its proper divisors (183984098).

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

165052030 is a wasteful number, since it uses less digits than its factorization.

165052030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115452.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 165052030 is about 12847.2576840351. The cubic root of 165052030 is about 548.5383005956.

The spelling of 165052030 in words is "one hundred sixty-five million, fifty-two thousand, thirty".