1882327521661 has 8 divisors (see below), whose sum is σ = 1993942863360. Its totient is φ = 1770811090368.

The previous prime is 1882327521631. The next prime is 1882327521671. The reversal of 1882327521661 is 1661257232881.

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

It is a cyclic number.

It is not a de Polignac number, because 1882327521661 - 2⁵ = 1882327521629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1882327521599 and 1882327521608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1882327521601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24688411 + ... + 24764536.

It is an arithmetic number, because the mean of its divisors is an integer number (249242857920).

Almost surely, 2^{1882327521661} is an apocalyptic number.

It is an amenable number.

1882327521661 is a deficient number, since it is larger than the sum of its proper divisors (111615341699).

1882327521661 is a wasteful number, since it uses less digits than its factorization.

1882327521661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49455203.

The product of its digits is 1935360, while the sum is 52.

The spelling of 1882327521661 in words is "one trillion, eight hundred eighty-two billion, three hundred twenty-seven million, five hundred twenty-one thousand, six hundred sixty-one".