6197187138 has 16 divisors (see below), whose sum is σ = 12414800640. Its totient is φ = 2062324656.

The previous prime is 6197187121. The next prime is 6197187149. The reversal of 6197187138 is 8317817916.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847153 + ... + 854436.

It is an arithmetic number, because the mean of its divisors is an integer number (775925040).

Almost surely, 2^6197187138 is an apocalyptic number.

6197187138 is an abundant number, since it is smaller than the sum of its proper divisors (6217613502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6197187138 is a wasteful number, since it uses less digits than its factorization.

6197187138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702201.

The product of its digits is 508032, while the sum is 51.

The square root of 6197187138 is about 78722.2150221905. The cubic root of 6197187138 is about 1836.8126863653.

The spelling of 6197187138 in words is "six billion, one hundred ninety-seven million, one hundred eighty-seven thousand, one hundred thirty-eight".