166632288 has 24 divisors (see below), whose sum is σ = 437410008. Its totient is φ = 55544064.

The previous prime is 166632287. The next prime is 166632293. The reversal of 166632288 is 882236661.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×166632288² = 55532638808229888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166632287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867781 + ... + 867972.

It is an arithmetic number, because the mean of its divisors is an integer number (18225417).

Almost surely, 2^166632288 is an apocalyptic number.

It is an amenable number.

166632288 is an abundant number, since it is smaller than the sum of its proper divisors (270777720).

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

166632288 is a wasteful number, since it uses less digits than its factorization.

166632288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735766 (or 1735758 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 166632288 is about 12908.6129386546. The cubic root of 166632288 is about 550.2833669284.

The spelling of 166632288 in words is "one hundred sixty-six million, six hundred thirty-two thousand, two hundred eighty-eight".