166332160 has 72 divisors (see below), whose sum is σ = 401032800. Its totient is φ = 66097152.

The previous prime is 166332077. The next prime is 166332163. The reversal of 166332160 is 61233661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166332163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254394 + ... + 255046.

It is an arithmetic number, because the mean of its divisors is an integer number (5569900).

Almost surely, 2^166332160 is an apocalyptic number.

166332160 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 166332160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200516400).

166332160 is an abundant number, since it is smaller than the sum of its proper divisors (234700640).

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

166332160 is an equidigital number, since it uses as much as digits as its factorization.

166332160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 166332160 is about 12896.9825928393. The cubic root of 166332160 is about 549.9527893361.

The spelling of 166332160 in words is "one hundred sixty-six million, three hundred thirty-two thousand, one hundred sixty".