5181867106 has 16 divisors (see below), whose sum is σ = 8372549304. Its totient is φ = 2391105024.

The previous prime is 5181867083. The next prime is 5181867107. The reversal of 5181867106 is 6017681815.

It can be written as a sum of positive squares in 4 ways, for example, as 2390329881 + 2791537225 = 48891^2 + 52835^2 .

It is not an unprimeable number, because it can be changed into a prime (5181867107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114640 + ... + 153316.

Almost surely, 2^5181867106 is an apocalyptic number.

5181867106 is a deficient number, since it is larger than the sum of its proper divisors (3190682198).

5181867106 is a wasteful number, since it uses less digits than its factorization.

5181867106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43845.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 5181867106 is about 71985.1867122674. The cubic root of 5181867106 is about 1730.4620933631.

The spelling of 5181867106 in words is "five billion, one hundred eighty-one million, eight hundred sixty-seven thousand, one hundred six".