166803868 has 24 divisors (see below), whose sum is σ = 363936384. Its totient is φ = 64988400.

The previous prime is 166803851. The next prime is 166803877. The reversal of 166803868 is 868308661.

It is a happy number.

It is a super-2 number, since 2×166803868² = 55647060759522848, which contains 22 as substring.

It is a congruent number.

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, 270478 + ... + 271093.

It is an arithmetic number, because the mean of its divisors is an integer number (15164016).

Almost surely, 2^166803868 is an apocalyptic number.

It is an amenable number.

166803868 is an abundant number, since it is smaller than the sum of its proper divisors (197132516).

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

166803868 is a wasteful number, since it uses less digits than its factorization.

166803868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541593 (or 541591 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 166803868 is about 12915.2571790112. The cubic root of 166803868 is about 550.4721763376.

The spelling of 166803868 in words is "one hundred sixty-six million, eight hundred three thousand, eight hundred sixty-eight".