166868488 has 16 divisors (see below), whose sum is σ = 329346000. Its totient is φ = 79042896.

The previous prime is 166868477. The next prime is 166868497. The reversal of 166868488 is 884868661.

It is a super-2 number, since 2×166868488² = 55690184574812288, which contains 22 as substring.

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, 548758 + ... + 549061.

It is an arithmetic number, because the mean of its divisors is an integer number (20584125).

Almost surely, 2^166868488 is an apocalyptic number.

It is an amenable number.

166868488 is a deficient number, since it is larger than the sum of its proper divisors (162477512).

166868488 is a wasteful number, since it uses less digits than its factorization.

166868488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097844 (or 1097840 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 55.

The square root of 166868488 is about 12917.7586291121. The cubic root of 166868488 is about 550.5432516670.

The spelling of 166868488 in words is "one hundred sixty-six million, eight hundred sixty-eight thousand, four hundred eighty-eight".