6198866518 has 16 divisors (see below), whose sum is σ = 10085599440. Its totient is φ = 2840430816.

The previous prime is 6198866507. The next prime is 6198866549. The reversal of 6198866518 is 8156688916.

It is a super-2 number, since 2×6198866518² = 76851892215962888648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854005 + ... + 861232.

It is an arithmetic number, because the mean of its divisors is an integer number (630349965).

Almost surely, 2^6198866518 is an apocalyptic number.

6198866518 is a deficient number, since it is larger than the sum of its proper divisors (3886732922).

6198866518 is a wasteful number, since it uses less digits than its factorization.

6198866518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715391.

The product of its digits is 4976640, while the sum is 58.

The square root of 6198866518 is about 78732.8807932239. The cubic root of 6198866518 is about 1836.9785910906.

The spelling of 6198866518 in words is "six billion, one hundred ninety-eight million, eight hundred sixty-six thousand, five hundred eighteen".