102099666618953 has 2 divisors, whose sum is σ = 102099666618954. Its totient is φ = 102099666618952.

The previous prime is 102099666618853. The next prime is 102099666618991. The reversal of 102099666618953 is 359816666990201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100487853555769 + 1611813063184 = 10024363^2 + 1269572^2 .

It is a cyclic number.

It is not a de Polignac number, because 102099666618953 - 2¹⁴ = 102099666602569 is a prime.

It is not a weakly prime, because it can be changed into another prime (102099666618853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51049833309476 + 51049833309477.

It is an arithmetic number, because the mean of its divisors is an integer number (51049833309477).

Almost surely, 2^{102099666618953} is an apocalyptic number.

It is an amenable number.

102099666618953 is a deficient number, since it is larger than the sum of its proper divisors (1).

102099666618953 is an equidigital number, since it uses as much as digits as its factorization.

102099666618953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226748160, while the sum is 71.

The spelling of 102099666618953 in words is "one hundred two trillion, ninety-nine billion, six hundred sixty-six million, six hundred eighteen thousand, nine hundred fifty-three".