5516620663 has 2 divisors, whose sum is σ = 5516620664. Its totient is φ = 5516620662.

The previous prime is 5516620661. The next prime is 5516620757. The reversal of 5516620663 is 3660266155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5516620663 - 2¹ = 5516620661 is a prime.

Together with 5516620661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5516620661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758310331 + 2758310332.

It is an arithmetic number, because the mean of its divisors is an integer number (2758310332).

Almost surely, 2^5516620663 is an apocalyptic number.

5516620663 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516620663 is an equidigital number, since it uses as much as digits as its factorization.

5516620663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 5516620663 is about 74273.9568287566. The cubic root of 5516620663 is about 1766.9504623042.

The spelling of 5516620663 in words is "five billion, five hundred sixteen million, six hundred twenty thousand, six hundred sixty-three".