6198778916 has 48 divisors (see below), whose sum is σ = 11983483008. Its totient is φ = 2782272000.

The previous prime is 6198778909. The next prime is 6198778931.

6198778916 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6198778916² = 76849720098892270112, which contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1146716 + ... + 1152108.

It is an arithmetic number, because the mean of its divisors is an integer number (249655896).

Almost surely, 2^6198778916 is an apocalyptic number.

It is an amenable number.

6198778916 is a deficient number, since it is larger than the sum of its proper divisors (5784704092).

6198778916 is a wasteful number, since it uses less digits than its factorization.

6198778916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732 (or 5730 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 62.

The square root of 6198778916 is about 78732.3244671463. The cubic root of 6198778916 is about 1836.9699376937.

The spelling of 6198778916 in words is "six billion, one hundred ninety-eight million, seven hundred seventy-eight thousand, nine hundred sixteen".