96666637249957 has 2 divisors, whose sum is σ = 96666637249958. Its totient is φ = 96666637249956.

The previous prime is 96666637249909. The next prime is 96666637250077. The reversal of 96666637249957 is 75994273666669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90740694175681 + 5925943074276 = 9525791^2 + 2434326^2 .

It is a cyclic number.

It is not a de Polignac number, because 96666637249957 - 2²³ = 96666628861349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96666637249657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48333318624978 + 48333318624979.

It is an arithmetic number, because the mean of its divisors is an integer number (48333318624979).

Almost surely, 2^{96666637249957} is an apocalyptic number.

It is an amenable number.

96666637249957 is a deficient number, since it is larger than the sum of its proper divisors (1).

96666637249957 is an equidigital number, since it uses as much as digits as its factorization.

96666637249957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33331979520, while the sum is 85.

The spelling of 96666637249957 in words is "ninety-six trillion, six hundred sixty-six billion, six hundred thirty-seven million, two hundred forty-nine thousand, nine hundred fifty-seven".