5161116660 has 192 divisors, whose sum is σ = 17137612800. Its totient is φ = 1135507968.

The previous prime is 5161116629. The next prime is 5161116673. The reversal of 5161116660 is 666111615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7831411 + ... + 7832069.

It is an arithmetic number, because the mean of its divisors is an integer number (89258400).

Almost surely, 2^5161116660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5161116660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8568806400).

5161116660 is an abundant number, since it is smaller than the sum of its proper divisors (11976496140).

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

5161116660 is a wasteful number, since it uses less digits than its factorization.

5161116660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 5161116660 is about 71840.9121601334. The cubic root of 5161116660 is about 1728.1491627389.

The spelling of 5161116660 in words is "five billion, one hundred sixty-one million, one hundred sixteen thousand, six hundred sixty".