16997310361 has 2 divisors, whose sum is σ = 16997310362. Its totient is φ = 16997310360.

The previous prime is 16997310259. The next prime is 16997310371. The reversal of 16997310361 is 16301379961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16010093961 + 987216400 = 126531^2 + 31420^2 .

It is a cyclic number.

It is not a de Polignac number, because 16997310361 - 2⁷ = 16997310233 is a prime.

It is not a weakly prime, because it can be changed into another prime (16997310371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8498655180 + 8498655181.

It is an arithmetic number, because the mean of its divisors is an integer number (8498655181).

Almost surely, 2^16997310361 is an apocalyptic number.

It is an amenable number.

16997310361 is a deficient number, since it is larger than the sum of its proper divisors (1).

16997310361 is an equidigital number, since it uses as much as digits as its factorization.

16997310361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 46.

The spelling of 16997310361 in words is "sixteen billion, nine hundred ninety-seven million, three hundred ten thousand, three hundred sixty-one".