99999616016057 has 2 divisors, whose sum is σ = 99999616016058. Its totient is φ = 99999616016056.

The previous prime is 99999616016029. The next prime is 99999616016063. The reversal of 99999616016057 is 75061061699999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68076426712336 + 31923189303721 = 8250844^2 + 5650061^2 .

It is a cyclic number.

It is not a de Polignac number, because 99999616016057 - 2¹² = 99999616011961 is a prime.

It is not a weakly prime, because it can be changed into another prime (99999616016257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999808008028 + 49999808008029.

It is an arithmetic number, because the mean of its divisors is an integer number (49999808008029).

Almost surely, 2^{99999616016057} is an apocalyptic number.

It is an amenable number.

99999616016057 is a deficient number, since it is larger than the sum of its proper divisors (1).

99999616016057 is an equidigital number, since it uses as much as digits as its factorization.

99999616016057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 446410440, while the sum is 77.

The spelling of 99999616016057 in words is "ninety-nine trillion, nine hundred ninety-nine billion, six hundred sixteen million, sixteen thousand, fifty-seven".