166525160 has 48 divisors (see below), whose sum is σ = 385208460. Its totient is φ = 64788480.

The previous prime is 166525153. The next prime is 166525171. The reversal of 166525160 is 61525661.

It can be written as a sum of positive squares in 6 ways, for example, as 165431044 + 1094116 = 12862^2 + 1046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53240 + ... + 56280.

Almost surely, 2^166525160 is an apocalyptic number.

166525160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166525160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192604230).

166525160 is an abundant number, since it is smaller than the sum of its proper divisors (218683300).

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

166525160 is a wasteful number, since it uses less digits than its factorization.

166525160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126 (or 3085 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 166525160 is about 12904.4627939330. The cubic root of 166525160 is about 550.1654158100.

It can be divided in two parts, 16652 and 5160, that added together give a palindrome (21812).

The spelling of 166525160 in words is "one hundred sixty-six million, five hundred twenty-five thousand, one hundred sixty".