165488970 has 32 divisors (see below), whose sum is σ = 397716480. Its totient is φ = 44070080.

The previous prime is 165488959. The next prime is 165488977. The reversal of 165488970 is 79884561.

165488970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165488977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21271 + ... + 27989.

It is an arithmetic number, because the mean of its divisors is an integer number (12428640).

Almost surely, 2^165488970 is an apocalyptic number.

165488970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165488970 is an abundant number, since it is smaller than the sum of its proper divisors (232227510).

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

165488970 is a wasteful number, since it uses less digits than its factorization.

165488970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7550.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 165488970 is about 12864.2516300016. The cubic root of 165488970 is about 549.0219200872.

The spelling of 165488970 in words is "one hundred sixty-five million, four hundred eighty-eight thousand, nine hundred seventy".