6166398487 has 2 divisors, whose sum is σ = 6166398488. Its totient is φ = 6166398486.

The previous prime is 6166398479. The next prime is 6166398583. The reversal of 6166398487 is 7848936616.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6166398487 - 2³ = 6166398479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6166338487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3083199243 + 3083199244.

It is an arithmetic number, because the mean of its divisors is an integer number (3083199244).

Almost surely, 2^6166398487 is an apocalyptic number.

6166398487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6166398487 is an equidigital number, since it uses as much as digits as its factorization.

6166398487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 58.

The square root of 6166398487 is about 78526.4190384357. The cubic root of 6166398487 is about 1833.7657718158.

The spelling of 6166398487 in words is "six billion, one hundred sixty-six million, three hundred ninety-eight thousand, four hundred eighty-seven".