5161116772 has 24 divisors (see below), whose sum is σ = 10323797120. Its totient is φ = 2211572160.

The previous prime is 5161116761. The next prime is 5161116773. The reversal of 5161116772 is 2776111615.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5161116773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291304 + ... + 308512.

Almost surely, 2^5161116772 is an apocalyptic number.

It is an amenable number.

5161116772 is an abundant number, since it is smaller than the sum of its proper divisors (5162680348).

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

5161116772 is a wasteful number, since it uses less digits than its factorization.

5161116772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27931 (or 27929 counting only the distinct ones).

The product of its digits is 17640, while the sum is 37.

The square root of 5161116772 is about 71840.9129396335. The cubic root of 5161116772 is about 1728.1491752396.

The spelling of 5161116772 in words is "five billion, one hundred sixty-one million, one hundred sixteen thousand, seven hundred seventy-two".