166236160 has 52 divisors (see below), whose sum is σ = 398967228. Its totient is φ = 66486272.

The previous prime is 166236137. The next prime is 166236173. The reversal of 166236160 is 61632661.

It can be written as a sum of positive squares in 2 ways, for example, as 110166016 + 56070144 = 10496^2 + 7488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16422 + ... + 24538.

Almost surely, 2^166236160 is an apocalyptic number.

166236160 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 166236160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199483614).

166236160 is an abundant number, since it is smaller than the sum of its proper divisors (232731068).

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

166236160 is an frugal number, since it uses more digits than its factorization.

166236160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146 (or 8124 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 166236160 is about 12893.2602548774. The cubic root of 166236160 is about 549.8469656875.

The spelling of 166236160 in words is "one hundred sixty-six million, two hundred thirty-six thousand, one hundred sixty".