1980112282186 has 8 divisors (see below), whose sum is σ = 2970176118084. Its totient is φ = 990053576160.

The previous prime is 1980112282123. The next prime is 1980112282217. The reversal of 1980112282186 is 6812822110891.

It can be written as a sum of positive squares in 2 ways, for example, as 1611074256961 + 369038025225 = 1269281^2 + 607485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 99085 + ... + 1992496.

Almost surely, 2^{1980112282186} is an apocalyptic number.

1980112282186 is a deficient number, since it is larger than the sum of its proper divisors (990063835898).

1980112282186 is a wasteful number, since it uses less digits than its factorization.

1980112282186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564936.

The product of its (nonzero) digits is 221184, while the sum is 49.

The spelling of 1980112282186 in words is "one trillion, nine hundred eighty billion, one hundred twelve million, two hundred eighty-two thousand, one hundred eighty-six".