6651198 has 24 divisors (see below), whose sum is σ = 14484288. Its totient is φ = 2205792.

The previous prime is 6651187. The next prime is 6651217. The reversal of 6651198 is 8911566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3186 + ... + 4842.

It is an arithmetic number, because the mean of its divisors is an integer number (603512).

Almost surely, 2^6651198 is an apocalyptic number.

6651198 is an abundant number, since it is smaller than the sum of its proper divisors (7833090).

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

6651198 is a wasteful number, since it uses less digits than its factorization.

6651198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888 (or 1885 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 6651198 is about 2578.9916634220. The cubic root of 6651198 is about 188.0615273189.

The spelling of 6651198 in words is "six million, six hundred fifty-one thousand, one hundred ninety-eight".