478633166 has 12 divisors (see below), whose sum is σ = 789151776. Its totient is φ = 217560420.

The previous prime is 478633157. The next prime is 478633213. The reversal of 478633166 is 661336874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 988670 + ... + 989153.

It is an arithmetic number, because the mean of its divisors is an integer number (65762648).

Almost surely, 2^478633166 is an apocalyptic number.

478633166 is a deficient number, since it is larger than the sum of its proper divisors (310518610).

478633166 is a wasteful number, since it uses less digits than its factorization.

478633166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977847 (or 1977836 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 478633166 is about 21877.6864864638. The cubic root of 478633166 is about 782.2296308254.

The spelling of 478633166 in words is "four hundred seventy-eight million, six hundred thirty-three thousand, one hundred sixty-six".