16897140133 has 2 divisors, whose sum is σ = 16897140134. Its totient is φ = 16897140132.

The previous prime is 16897140053. The next prime is 16897140179. The reversal of 16897140133 is 33104179861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9610469089 + 7286671044 = 98033^2 + 85362^2 .

It is a cyclic number.

It is not a de Polignac number, because 16897140133 - 2⁹ = 16897139621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16897140133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16897141133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8448570066 + 8448570067.

It is an arithmetic number, because the mean of its divisors is an integer number (8448570067).

Almost surely, 2^16897140133 is an apocalyptic number.

It is an amenable number.

16897140133 is a deficient number, since it is larger than the sum of its proper divisors (1).

16897140133 is an equidigital number, since it uses as much as digits as its factorization.

16897140133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 16897140133 in words is "sixteen billion, eight hundred ninety-seven million, one hundred forty thousand, one hundred thirty-three".