164845912 has 128 divisors (see below), whose sum is σ = 404974080. Its totient is φ = 61056000.

The previous prime is 164845907. The next prime is 164845921. The reversal of 164845912 is 219548461.

164845912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164845912² = 54348349406223488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1540563 + ... + 1540669.

It is an arithmetic number, because the mean of its divisors is an integer number (3163860).

Almost surely, 2^164845912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164845912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202487040).

164845912 is an abundant number, since it is smaller than the sum of its proper divisors (240128168).

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

164845912 is a wasteful number, since it uses less digits than its factorization.

164845912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 229 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 164845912 is about 12839.2333104434. The cubic root of 164845912 is about 548.3098661337.

The spelling of 164845912 in words is "one hundred sixty-four million, eight hundred forty-five thousand, nine hundred twelve".