17983921976992 has 24 divisors (see below), whose sum is σ = 35406015001056. Its totient is φ = 8991918167232.

The previous prime is 17983921976983. The next prime is 17983921977053. The reversal of 17983921976992 is 29967912938971.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6127183 + ... + 8573809.

It is an arithmetic number, because the mean of its divisors is an integer number (1475250625044).

Almost surely, 2^{17983921976992} is an apocalyptic number.

It is an amenable number.

17983921976992 is a deficient number, since it is larger than the sum of its proper divisors (17422093024064).

17983921976992 is a wasteful number, since it uses less digits than its factorization.

17983921976992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676340 (or 2676332 counting only the distinct ones).

The product of its digits is 1666598976, while the sum is 82.

The spelling of 17983921976992 in words is "seventeen trillion, nine hundred eighty-three billion, nine hundred twenty-one million, nine hundred seventy-six thousand, nine hundred ninety-two".