6198516666 has 48 divisors (see below), whose sum is σ = 13901621760. Its totient is φ = 1993719840.

The previous prime is 6198516631. The next prime is 6198516677. The reversal of 6198516666 is 6666158916.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1350211 + ... + 1354793.

It is an arithmetic number, because the mean of its divisors is an integer number (289617120).

Almost surely, 2^6198516666 is an apocalyptic number.

6198516666 is an abundant number, since it is smaller than the sum of its proper divisors (7703105094).

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

6198516666 is a wasteful number, since it uses less digits than its factorization.

6198516666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211 (or 7208 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 6198516666 is about 78730.6589963529. The cubic root of 6198516666 is about 1836.9440319378.

The spelling of 6198516666 in words is "six billion, one hundred ninety-eight million, five hundred sixteen thousand, six hundred sixty-six".