5161016016 has 120 divisors (see below), whose sum is σ = 15730008840. Its totient is φ = 1570111488.

The previous prime is 5161015949. The next prime is 5161016027. The reversal of 5161016016 is 6106101615.

5161016016 is a `hidden beast` number, since 51 + 6 + 1 + 0 + 1 + 601 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 852406416 + 4308609600 = 29196^2 + 65640^2 .

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, 151120 + ... + 182096.

It is an arithmetic number, because the mean of its divisors is an integer number (131083407).

Almost surely, 2^5161016016 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 5161016016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7865004420).

5161016016 is an abundant number, since it is smaller than the sum of its proper divisors (10568992824).

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

5161016016 is a wasteful number, since it uses less digits than its factorization.

5161016016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31093 (or 31084 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 5161016016 is about 71840.2116923384. The cubic root of 5161016016 is about 1728.1379294480.

The spelling of 5161016016 in words is "five billion, one hundred sixty-one million, sixteen thousand, sixteen".