516650802091 has 2 divisors, whose sum is σ = 516650802092. Its totient is φ = 516650802090.

The previous prime is 516650802077. The next prime is 516650802191. The reversal of 516650802091 is 190208056615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516650802091 - 2¹³ = 516650793899 is a prime.

It is not a weakly prime, because it can be changed into another prime (516650802001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258325401045 + 258325401046.

It is an arithmetic number, because the mean of its divisors is an integer number (258325401046).

Almost surely, 2^516650802091 is an apocalyptic number.

516650802091 is a deficient number, since it is larger than the sum of its proper divisors (1).

516650802091 is an equidigital number, since it uses as much as digits as its factorization.

516650802091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 516650802091 in words is "five hundred sixteen billion, six hundred fifty million, eight hundred two thousand, ninety-one".