506156166 has 12 divisors (see below), whose sum is σ = 1096671732. Its totient is φ = 168718716.

The previous prime is 506156149. The next prime is 506156171. The reversal of 506156166 is 661651605.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 506156166.

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, 14059876 + ... + 14059911.

It is an arithmetic number, because the mean of its divisors is an integer number (91389311).

Almost surely, 2^506156166 is an apocalyptic number.

506156166 is an abundant number, since it is smaller than the sum of its proper divisors (590515566).

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

506156166 is a wasteful number, since it uses less digits than its factorization.

506156166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28119795 (or 28119792 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 506156166 is about 22497.9147033675. The cubic root of 506156166 is about 796.9446826077.

The spelling of 506156166 in words is "five hundred six million, one hundred fifty-six thousand, one hundred sixty-six".