1982991081082 has 24 divisors (see below), whose sum is σ = 3300032933568. Its totient is φ = 892935649320.

The previous prime is 1982991081073. The next prime is 1982991081163. The reversal of 1982991081082 is 2801801992891.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38264658 + ... + 38316445.

It is an arithmetic number, because the mean of its divisors is an integer number (137501372232).

Almost surely, 2^{1982991081082} is an apocalyptic number.

1982991081082 is a deficient number, since it is larger than the sum of its proper divisors (1317041852486).

1982991081082 is a wasteful number, since it uses less digits than its factorization.

1982991081082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76581234 (or 76581223 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 58.

The spelling of 1982991081082 in words is "one trillion, nine hundred eighty-two billion, nine hundred ninety-one million, eighty-one thousand, eighty-two".