2516662361 has 2 divisors, whose sum is σ = 2516662362. Its totient is φ = 2516662360.

The previous prime is 2516662331. The next prime is 2516662373. The reversal of 2516662361 is 1632666152.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1869265225 + 647397136 = 43235^2 + 25444^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516662361 - 2⁶ = 2516662297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2516662321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258331180 + 1258331181.

It is an arithmetic number, because the mean of its divisors is an integer number (1258331181).

Almost surely, 2^2516662361 is an apocalyptic number.

It is an amenable number.

2516662361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516662361 is an equidigital number, since it uses as much as digits as its factorization.

2516662361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 2516662361 is about 50166.3468970983. The cubic root of 2516662361 is about 1360.2173746040.

The spelling of 2516662361 in words is "two billion, five hundred sixteen million, six hundred sixty-two thousand, three hundred sixty-one".