99516261599 has 2 divisors, whose sum is σ = 99516261600. Its totient is φ = 99516261598.

The previous prime is 99516261571. The next prime is 99516261661.

99516261599 is nontrivially palindromic in base 10.

It is an a-pointer prime, because the next prime (99516261661) can be obtained adding 99516261599 to its sum of digits (62).

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99516261599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99516261569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49758130799 + 49758130800.

It is an arithmetic number, because the mean of its divisors is an integer number (49758130800).

Almost surely, 2^99516261599 is an apocalyptic number.

99516261599 is a deficient number, since it is larger than the sum of its proper divisors (1).

99516261599 is an equidigital number, since it uses as much as digits as its factorization.

99516261599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11809800, while the sum is 62.

The spelling of 99516261599 in words is "ninety-nine billion, five hundred sixteen million, two hundred sixty-one thousand, five hundred ninety-nine".