5516427668 has 12 divisors (see below), whose sum is σ = 9659804532. Its totient is φ = 2756483520.

The previous prime is 5516427661. The next prime is 5516427671. The reversal of 5516427668 is 8667246155.

It can be written as a sum of positive squares in 2 ways, for example, as 3255615364 + 2260812304 = 57058^2 + 47548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5516427661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425393 + ... + 438168.

It is an arithmetic number, because the mean of its divisors is an integer number (804983711).

Almost surely, 2^5516427668 is an apocalyptic number.

It is an amenable number.

5516427668 is a deficient number, since it is larger than the sum of its proper divisors (4143376864).

5516427668 is a wasteful number, since it uses less digits than its factorization.

5516427668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865162 (or 865160 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 50.

The square root of 5516427668 is about 74272.6576069552. The cubic root of 5516427668 is about 1766.9298569008.

The spelling of 5516427668 in words is "five billion, five hundred sixteen million, four hundred twenty-seven thousand, six hundred sixty-eight".