1181834198366 has 16 divisors (see below), whose sum is σ = 1866378930000. Its totient is φ = 559718719488.

The previous prime is 1181834198333. The next prime is 1181834198371. The reversal of 1181834198366 is 6638914381811.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 2486435 + ... + 2923358.

It is an arithmetic number, because the mean of its divisors is an integer number (116648683125).

Almost surely, 2^{1181834198366} is an apocalyptic number.

1181834198366 is a deficient number, since it is larger than the sum of its proper divisors (684544731634).

1181834198366 is a wasteful number, since it uses less digits than its factorization.

1181834198366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415563.

The product of its digits is 5971968, while the sum is 59.

The spelling of 1181834198366 in words is "one trillion, one hundred eighty-one billion, eight hundred thirty-four million, one hundred ninety-eight thousand, three hundred sixty-six".