2320616657 has 2 divisors, whose sum is σ = 2320616658. Its totient is φ = 2320616656.

The previous prime is 2320616633. The next prime is 2320616663. The reversal of 2320616657 is 7566160232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1886686096 + 433930561 = 43436^2 + 20831^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320616657 - 2⁸ = 2320616401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2320616657.

It is not a weakly prime, because it can be changed into another prime (2320613657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160308328 + 1160308329.

It is an arithmetic number, because the mean of its divisors is an integer number (1160308329).

Almost surely, 2^2320616657 is an apocalyptic number.

It is an amenable number.

2320616657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320616657 is an equidigital number, since it uses as much as digits as its factorization.

2320616657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 2320616657 is about 48172.7792119159. The cubic root of 2320616657 is about 1323.9384699624.

Adding to 2320616657 its reverse (7566160232), we get a palindrome (9886776889).

The spelling of 2320616657 in words is "two billion, three hundred twenty million, six hundred sixteen thousand, six hundred fifty-seven".