165028950 has 72 divisors (see below), whose sum is σ = 447890976. Its totient is φ = 43560000.

The previous prime is 165028939. The next prime is 165028961. The reversal of 165028950 is 59820561.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (165028939) and next prime (165028961).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 35 ways as a sum of consecutive naturals, for example, 43635 + ... + 47265.

It is an arithmetic number, because the mean of its divisors is an integer number (6220708).

Almost surely, 2^165028950 is an apocalyptic number.

165028950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 165028950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223945488).

165028950 is an abundant number, since it is smaller than the sum of its proper divisors (282862026).

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

165028950 is a wasteful number, since it uses less digits than its factorization.

165028950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750 (or 3742 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 165028950 is about 12846.3594064622. The cubic root of 165028950 is about 548.5127311754.

It can be divided in two parts, 16502 and 8950, that added together give a palindrome (25452).

The spelling of 165028950 in words is "one hundred sixty-five million, twenty-eight thousand, nine hundred fifty".