5516696891 has 2 divisors, whose sum is σ = 5516696892. Its totient is φ = 5516696890.

The previous prime is 5516696849. The next prime is 5516696897. The reversal of 5516696891 is 1986966155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5516696891 - 2⁶ = 5516696827 is a prime.

It is not a weakly prime, because it can be changed into another prime (5516696897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758348445 + 2758348446.

It is an arithmetic number, because the mean of its divisors is an integer number (2758348446).

Almost surely, 2^5516696891 is an apocalyptic number.

5516696891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516696891 is an equidigital number, since it uses as much as digits as its factorization.

5516696891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 56.

The square root of 5516696891 is about 74274.4699812796. The cubic root of 5516696891 is about 1766.9586007696.

The spelling of 5516696891 in words is "five billion, five hundred sixteen million, six hundred ninety-six thousand, eight hundred ninety-one".