166375264 has 96 divisors (see below), whose sum is σ = 375459840. Its totient is φ = 71884800.

The previous prime is 166375259. The next prime is 166375283. The reversal of 166375264 is 462573661.

Its product of digits (181440) is a multiple of the sum of its prime factors (324).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861952 + ... + 862144.

It is an arithmetic number, because the mean of its divisors is an integer number (3911040).

Almost surely, 2^166375264 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 166375264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187729920).

166375264 is an abundant number, since it is smaller than the sum of its proper divisors (209084576).

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

166375264 is a wasteful number, since it uses less digits than its factorization.

166375264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 316 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 166375264 is about 12898.6535731448. The cubic root of 166375264 is about 550.0002909089. Note that the first 3 decimals are identical.

The spelling of 166375264 in words is "one hundred sixty-six million, three hundred seventy-five thousand, two hundred sixty-four".