16197433387 has 2 divisors, whose sum is σ = 16197433388. Its totient is φ = 16197433386.

The previous prime is 16197433363. The next prime is 16197433393. The reversal of 16197433387 is 78333479161.

16197433387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16197433387 - 2¹⁵ = 16197400619 is a prime.

It is not a weakly prime, because it can be changed into another prime (16197433787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8098716693 + 8098716694.

It is an arithmetic number, because the mean of its divisors is an integer number (8098716694).

Almost surely, 2^16197433387 is an apocalyptic number.

16197433387 is a deficient number, since it is larger than the sum of its proper divisors (1).

16197433387 is an equidigital number, since it uses as much as digits as its factorization.

16197433387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 52.

The spelling of 16197433387 in words is "sixteen billion, one hundred ninety-seven million, four hundred thirty-three thousand, three hundred eighty-seven".