6940641198366 has 24 divisors (see below), whose sum is σ = 15046471251864. Its totient is φ = 2312252401200.

The previous prime is 6940641198343. The next prime is 6940641198371. The reversal of 6940641198366 is 6638911460496.

6940641198366 is a `hidden beast` number, since 6 + 9 + 40 + 6 + 41 + 198 + 366 = 666.

It is a super-2 number, since 2×6940641198366² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107855685 + ... + 107920016.

It is an arithmetic number, because the mean of its divisors is an integer number (626936302161).

Almost surely, 2^{6940641198366} is an apocalyptic number.

6940641198366 is an abundant number, since it is smaller than the sum of its proper divisors (8105830053498).

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

6940641198366 is a wasteful number, since it uses less digits than its factorization.

6940641198366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215777496 (or 215777493 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 6940641198366 in words is "six trillion, nine hundred forty billion, six hundred forty-one million, one hundred ninety-eight thousand, three hundred sixty-six".