2198266175868 has 48 divisors (see below), whose sum is σ = 5875581438720. Its totient is φ = 626625517824.

The previous prime is 2198266175827. The next prime is 2198266175893. The reversal of 2198266175868 is 8685716628912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30182838 + ... + 30255581.

It is an arithmetic number, because the mean of its divisors is an integer number (122407946640).

Almost surely, 2^{2198266175868} is an apocalyptic number.

2198266175868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2198266175868 is an abundant number, since it is smaller than the sum of its proper divisors (3677315262852).

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

2198266175868 is a wasteful number, since it uses less digits than its factorization.

2198266175868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60438866 (or 60438864 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 69.

The spelling of 2198266175868 in words is "two trillion, one hundred ninety-eight billion, two hundred sixty-six million, one hundred seventy-five thousand, eight hundred sixty-eight".