6995340198 has 256 divisors, whose sum is σ = 20382105600. Its totient is φ = 1724405760.

The previous prime is 6995340193. The next prime is 6995340223. The reversal of 6995340198 is 8910435996.

6995340198 is a `hidden beast` number, since 6 + 99 + 534 + 0 + 19 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6995340193) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 18457173 + ... + 18457551.

It is an arithmetic number, because the mean of its divisors is an integer number (79617600).

Almost surely, 2^6995340198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6995340198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10191052800).

6995340198 is an abundant number, since it is smaller than the sum of its proper divisors (13386765402).

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

6995340198 is a wasteful number, since it uses less digits than its factorization.

6995340198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 6995340198 is about 83638.1503740966. The cubic root of 6995340198 is about 1912.5066180471.

The spelling of 6995340198 in words is "six billion, nine hundred ninety-five million, three hundred forty thousand, one hundred ninety-eight".