6662198 has 16 divisors (see below), whose sum is σ = 11139120. Its totient is φ = 2969856.

The previous prime is 6662197. The next prime is 6662209. The reversal of 6662198 is 8912666.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4511 + ... + 5802.

It is an arithmetic number, because the mean of its divisors is an integer number (696195).

Almost surely, 2^6662198 is an apocalyptic number.

6662198 is a deficient number, since it is larger than the sum of its proper divisors (4476922).

6662198 is a wasteful number, since it uses less digits than its factorization.

6662198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10351.

The product of its digits is 31104, while the sum is 38.

The square root of 6662198 is about 2581.1233988324. The cubic root of 6662198 is about 188.1651446136.

The spelling of 6662198 in words is "six million, six hundred sixty-two thousand, one hundred ninety-eight".