5656616233 has 2 divisors, whose sum is σ = 5656616234. Its totient is φ = 5656616232.

The previous prime is 5656616143. The next prime is 5656616237. The reversal of 5656616233 is 3326166565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5557255209 + 99361024 = 74547^2 + 9968^2 .

It is a cyclic number.

It is not a de Polignac number, because 5656616233 - 2⁹ = 5656615721 is a prime.

It is a super-2 number, since 2×5656616233² = 63994614414878220578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5656616233.

It is not a weakly prime, because it can be changed into another prime (5656616237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828308116 + 2828308117.

It is an arithmetic number, because the mean of its divisors is an integer number (2828308117).

Almost surely, 2^5656616233 is an apocalyptic number.

It is an amenable number.

5656616233 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656616233 is an equidigital number, since it uses as much as digits as its factorization.

5656616233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 43.

The square root of 5656616233 is about 75210.4795424148. The cubic root of 5656616233 is about 1781.7724457644.

The spelling of 5656616233 in words is "five billion, six hundred fifty-six million, six hundred sixteen thousand, two hundred thirty-three".