478166018 has 16 divisors (see below), whose sum is σ = 782796960. Its totient is φ = 217252800.

The previous prime is 478166011. The next prime is 478166023. The reversal of 478166018 is 810661874.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (478166011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79853 + ... + 85631.

It is an arithmetic number, because the mean of its divisors is an integer number (48924810).

Almost surely, 2^478166018 is an apocalyptic number.

478166018 is a deficient number, since it is larger than the sum of its proper divisors (304630942).

478166018 is a wasteful number, since it uses less digits than its factorization.

478166018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9553.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 478166018 is about 21867.0075227499. The cubic root of 478166018 is about 781.9750615081.

The spelling of 478166018 in words is "four hundred seventy-eight million, one hundred sixty-six thousand, eighteen".