164832885 has 48 divisors (see below), whose sum is σ = 343724160. Its totient is φ = 71383680.

The previous prime is 164832851. The next prime is 164832917. The reversal of 164832885 is 588238461.

It is not a de Polignac number, because 164832885 - 2⁷ = 164832757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 164832885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7786 + ... + 19755.

It is an arithmetic number, because the mean of its divisors is an integer number (7160920).

Almost surely, 2^164832885 is an apocalyptic number.

164832885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164832885 is an abundant number, since it is smaller than the sum of its proper divisors (178891275).

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

164832885 is a wasteful number, since it uses less digits than its factorization.

164832885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27578 (or 27575 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 164832885 is about 12838.7259881968. The cubic root of 164832885 is about 548.2954223001.

The spelling of 164832885 in words is "one hundred sixty-four million, eight hundred thirty-two thousand, eight hundred eighty-five".