5518716212 has 24 divisors (see below), whose sum is σ = 10202018400. Its totient is φ = 2604881376.

The previous prime is 5518716173. The next prime is 5518716227. The reversal of 5518716212 is 2126178155.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106787 + ... + 149802.

It is an arithmetic number, because the mean of its divisors is an integer number (425084100).

Almost surely, 2^5518716212 is an apocalyptic number.

It is an amenable number.

5518716212 is a deficient number, since it is larger than the sum of its proper divisors (4683302188).

5518716212 is a wasteful number, since it uses less digits than its factorization.

5518716212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256895 (or 256893 counting only the distinct ones).

The product of its digits is 33600, while the sum is 38.

The square root of 5518716212 is about 74288.0623788237. The cubic root of 5518716212 is about 1767.1741658332.

The spelling of 5518716212 in words is "five billion, five hundred eighteen million, seven hundred sixteen thousand, two hundred twelve".