500166116506 has 32 divisors (see below), whose sum is σ = 877077430272. Its totient is φ = 209494842480.

The previous prime is 500166116491. The next prime is 500166116521. The reversal of 500166116506 is 605611661005.

It is an interprime number because it is at equal distance from previous prime (500166116491) and next prime (500166116521).

It is a super-2 number, since 2×500166116506² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1980190 + ... + 2218441.

It is an arithmetic number, because the mean of its divisors is an integer number (27408669696).

Almost surely, 2^500166116506 is an apocalyptic number.

500166116506 is a deficient number, since it is larger than the sum of its proper divisors (376911313766).

500166116506 is a wasteful number, since it uses less digits than its factorization.

500166116506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198834.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 500166116506 in words is "five hundred billion, one hundred sixty-six million, one hundred sixteen thousand, five hundred six".