841666676 has 18 divisors (see below), whose sum is σ = 1513810998. Its totient is φ = 409456800.

The previous prime is 841666673. The next prime is 841666687. The reversal of 841666676 is 676666148.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 633730276 + 207936400 = 25174^2 + 14420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841666673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71375 + ... + 82326.

It is an arithmetic number, because the mean of its divisors is an integer number (84100611).

Almost surely, 2^841666676 is an apocalyptic number.

It is an amenable number.

841666676 is a deficient number, since it is larger than the sum of its proper divisors (672144322).

841666676 is a wasteful number, since it uses less digits than its factorization.

841666676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153779 (or 153740 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 841666676 is about 29011.4921367378. The cubic root of 841666676 is about 944.1624208823.

The spelling of 841666676 in words is "eight hundred forty-one million, six hundred sixty-six thousand, six hundred seventy-six".