5138570016 has 120 divisors (see below), whose sum is σ = 15481306764. Its totient is φ = 1671045120.

The previous prime is 5138570011. The next prime is 5138570039. The reversal of 5138570016 is 6100758315.

5138570016 is a `hidden beast` number, since 51 + 38 + 570 + 0 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3679635600 + 1458934416 = 60660^2 + 38196^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5138570011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 82096 + ... + 130448.

Almost surely, 2^5138570016 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 5138570016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7740653382).

5138570016 is an abundant number, since it is smaller than the sum of its proper divisors (10342736748).

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

5138570016 is a wasteful number, since it uses less digits than its factorization.

5138570016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48416 (or 48399 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 5138570016 is about 71683.8197642955. The cubic root of 5138570016 is about 1725.6289819703.

The spelling of 5138570016 in words is "five billion, one hundred thirty-eight million, five hundred seventy thousand, sixteen".