165050660 has 12 divisors (see below), whose sum is σ = 346606428. Its totient is φ = 66020256.

The previous prime is 165050657. The next prime is 165050693. The reversal of 165050660 is 66050561.

165050660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45454564 + 119596096 = 6742^2 + 10936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4126247 + ... + 4126286.

It is an arithmetic number, because the mean of its divisors is an integer number (28883869).

Almost surely, 2^165050660 is an apocalyptic number.

165050660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165050660 is an abundant number, since it is smaller than the sum of its proper divisors (181555768).

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

165050660 is a wasteful number, since it uses less digits than its factorization.

165050660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252542 (or 8252540 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 165050660 is about 12847.2043651528. The cubic root of 165050660 is about 548.5367828933.

Subtracting from 165050660 its reverse (66050561), we obtain a palindrome (99000099).

The spelling of 165050660 in words is "one hundred sixty-five million, fifty thousand, six hundred sixty".