16314118636657 has 2 divisors, whose sum is σ = 16314118636658. Its totient is φ = 16314118636656.

The previous prime is 16314118636649. The next prime is 16314118636721. The reversal of 16314118636657 is 75663681141361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12364196908176 + 3949921728481 = 3516276^2 + 1987441^2 .

It is a cyclic number.

It is not a de Polignac number, because 16314118636657 - 2³ = 16314118636649 is a prime.

It is not a weakly prime, because it can be changed into another prime (16314115636657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8157059318328 + 8157059318329.

It is an arithmetic number, because the mean of its divisors is an integer number (8157059318329).

Almost surely, 2^{16314118636657} is an apocalyptic number.

It is an amenable number.

16314118636657 is a deficient number, since it is larger than the sum of its proper divisors (1).

16314118636657 is an equidigital number, since it uses as much as digits as its factorization.

16314118636657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 58.

The spelling of 16314118636657 in words is "sixteen trillion, three hundred fourteen billion, one hundred eighteen million, six hundred thirty-six thousand, six hundred fifty-seven".