5181062166 has 48 divisors (see below), whose sum is σ = 12834641664. Its totient is φ = 1479686832.

The previous prime is 5181062153. The next prime is 5181062189. The reversal of 5181062166 is 6612601815.

5181062166 is a `hidden beast` number, since 5 + 18 + 10 + 621 + 6 + 6 = 666.

It is a super-2 number, since 2×5181062166² = 53686810335913223112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5181062166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356641 + ... + 370883.

It is an arithmetic number, because the mean of its divisors is an integer number (267388368).

Almost surely, 2^5181062166 is an apocalyptic number.

5181062166 is an abundant number, since it is smaller than the sum of its proper divisors (7653579498).

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

5181062166 is a wasteful number, since it uses less digits than its factorization.

5181062166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17145 (or 17142 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 5181062166 is about 71979.5954837202. The cubic root of 5181062166 is about 1730.3724866467.

The spelling of 5181062166 in words is "five billion, one hundred eighty-one million, sixty-two thousand, one hundred sixty-six".