478275322166 has 16 divisors (see below), whose sum is σ = 727294935264. Its totient is φ = 235844167104.

The previous prime is 478275322141. The next prime is 478275322219. The reversal of 478275322166 is 661223572874.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 1957391 + ... + 2188133.

It is an arithmetic number, because the mean of its divisors is an integer number (45455933454).

Almost surely, 2^478275322166 is an apocalyptic number.

478275322166 is a deficient number, since it is larger than the sum of its proper divisors (249019613098).

478275322166 is a wasteful number, since it uses less digits than its factorization.

478275322166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245015.

The product of its digits is 6773760, while the sum is 53.

The spelling of 478275322166 in words is "four hundred seventy-eight billion, two hundred seventy-five million, three hundred twenty-two thousand, one hundred sixty-six".