166088680 has 16 divisors (see below), whose sum is σ = 373699620. Its totient is φ = 66435456.

The previous prime is 166088653. The next prime is 166088683. The reversal of 166088680 is 86880661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 141467236 + 24621444 = 11894^2 + 4962^2 .

It is not an unprimeable number, because it can be changed into a prime (166088683) 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, 2076069 + ... + 2076148.

Almost surely, 2^166088680 is an apocalyptic number.

166088680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166088680 is an abundant number, since it is smaller than the sum of its proper divisors (207610940).

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

166088680 is a wasteful number, since it uses less digits than its factorization.

166088680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152228 (or 4152224 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 166088680 is about 12887.5397186585. The cubic root of 166088680 is about 549.6843147075.

The spelling of 166088680 in words is "one hundred sixty-six million, eighty-eight thousand, six hundred eighty".