10781849688166 has 8 divisors (see below), whose sum is σ = 16172857252080. Its totient is φ = 5390897270808.

The previous prime is 10781849688161. The next prime is 10781849688173. The reversal of 10781849688166 is 66188694818701.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10781849688161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13294341 + ... + 14082016.

It is an arithmetic number, because the mean of its divisors is an integer number (2021607156510).

Almost surely, 2^{10781849688166} is an apocalyptic number.

10781849688166 is a deficient number, since it is larger than the sum of its proper divisors (5391007563914).

10781849688166 is a wasteful number, since it uses less digits than its factorization.

10781849688166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27573278.

The product of its (nonzero) digits is 222953472, while the sum is 73.

The spelling of 10781849688166 in words is "ten trillion, seven hundred eighty-one billion, eight hundred forty-nine million, six hundred eighty-eight thousand, one hundred sixty-six".