506166408 has 80 divisors (see below), whose sum is σ = 1546641360. Its totient is φ = 153381600.

The previous prime is 506166391. The next prime is 506166431. The reversal of 506166408 is 804661605.

506166408 is a `hidden beast` number, since 5 + 0 + 6 + 1 + 6 + 640 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28378 + ... + 42633.

It is an arithmetic number, because the mean of its divisors is an integer number (19333017).

Almost surely, 2^506166408 is an apocalyptic number.

It is an amenable number.

506166408 is an abundant number, since it is smaller than the sum of its proper divisors (1040474952).

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

506166408 is a wasteful number, since it uses less digits than its factorization.

506166408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71040 (or 71027 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 506166408 is about 22498.1423233119. The cubic root of 506166408 is about 796.9500579266.

The spelling of 506166408 in words is "five hundred six million, one hundred sixty-six thousand, four hundred eight".