2116456751 has 2 divisors, whose sum is σ = 2116456752. Its totient is φ = 2116456750.

The previous prime is 2116456733. The next prime is 2116456763. The reversal of 2116456751 is 1576546112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2116456751 - 2⁶ = 2116456687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116456781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058228375 + 1058228376.

It is an arithmetic number, because the mean of its divisors is an integer number (1058228376).

Almost surely, 2^2116456751 is an apocalyptic number.

2116456751 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116456751 is an equidigital number, since it uses as much as digits as its factorization.

2116456751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

The square root of 2116456751 is about 46004.9644168974. The cubic root of 2116456751 is about 1283.9155715409.

The spelling of 2116456751 in words is "two billion, one hundred sixteen million, four hundred fifty-six thousand, seven hundred fifty-one".