477149166 has 192 divisors, whose sum is σ = 1273708800. Its totient is φ = 127484928.

The previous prime is 477149161. The next prime is 477149171. The reversal of 477149166 is 661941774.

477149166 is a `hidden beast` number, since 477 + 14 + 9 + 166 = 666.

It is an interprime number because it is at equal distance from previous prime (477149161) and next prime (477149171).

It is a super-2 number, since 2×477149166² = 455342653228991112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477149161) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4459285 + ... + 4459391.

It is an arithmetic number, because the mean of its divisors is an integer number (6633900).

Almost surely, 2^477149166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477149166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636854400).

477149166 is an abundant number, since it is smaller than the sum of its proper divisors (796559634).

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

477149166 is a wasteful number, since it uses less digits than its factorization.

477149166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 220 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 477149166 is about 21843.7443218877. The cubic root of 477149166 is about 781.4203607063.

The spelling of 477149166 in words is "four hundred seventy-seven million, one hundred forty-nine thousand, one hundred sixty-six".