33166660 has 24 divisors (see below), whose sum is σ = 73747800. Its totient is φ = 12486144.

The previous prime is 33166657. The next prime is 33166681. The reversal of 33166660 is 6666133.

It can be written as a sum of positive squares in 4 ways, for example, as 3594816 + 29571844 = 1896^2 + 5438^2 .

It is a super-2 number, since 2×33166660² = 2200054671111200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48435 + ... + 49114.

It is an arithmetic number, because the mean of its divisors is an integer number (3072825).

Almost surely, 2^33166660 is an apocalyptic number.

It is an amenable number.

33166660 is an abundant number, since it is smaller than the sum of its proper divisors (40581140).

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

33166660 is a wasteful number, since it uses less digits than its factorization.

33166660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97575 (or 97573 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 33166660 is about 5759.0502689246. The cubic root of 33166660 is about 321.2924938867.

The spelling of 33166660 in words is "thirty-three million, one hundred sixty-six thousand, six hundred sixty".