5516821207 has 2 divisors, whose sum is σ = 5516821208. Its totient is φ = 5516821206.

The previous prime is 5516821187. The next prime is 5516821237. The reversal of 5516821207 is 7021286155.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5516821207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5516821237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758410603 + 2758410604.

It is an arithmetic number, because the mean of its divisors is an integer number (2758410604).

Almost surely, 2^5516821207 is an apocalyptic number.

5516821207 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516821207 is an equidigital number, since it uses as much as digits as its factorization.

5516821207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 5516821207 is about 74275.3068455459. The cubic root of 5516821207 is about 1766.9718731788.

The spelling of 5516821207 in words is "five billion, five hundred sixteen million, eight hundred twenty-one thousand, two hundred seven".