5663022661 has 2 divisors, whose sum is σ = 5663022662. Its totient is φ = 5663022660.

The previous prime is 5663022613. The next prime is 5663022667. The reversal of 5663022661 is 1662203665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5251176225 + 411846436 = 72465^2 + 20294^2 .

It is a cyclic number.

It is not a de Polignac number, because 5663022661 - 2⁹ = 5663022149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5663022661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5663022667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2831511330 + 2831511331.

It is an arithmetic number, because the mean of its divisors is an integer number (2831511331).

Almost surely, 2^5663022661 is an apocalyptic number.

It is an amenable number.

5663022661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5663022661 is an equidigital number, since it uses as much as digits as its factorization.

5663022661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 5663022661 is about 75253.0574860583. The cubic root of 5663022661 is about 1782.4448436451. Note that the first 3 decimals are identical.

The spelling of 5663022661 in words is "five billion, six hundred sixty-three million, twenty-two thousand, six hundred sixty-one".