841666758340 has 12 divisors (see below), whose sum is σ = 1767500192556. Its totient is φ = 336666703328.

The previous prime is 841666758319. The next prime is 841666758367. The reversal of 841666758340 is 43857666148.

It can be written as a sum of positive squares in 2 ways, for example, as 110952945216 + 730713813124 = 333096^2 + 854818^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21041668939 + ... + 21041668978.

It is an arithmetic number, because the mean of its divisors is an integer number (147291682713).

Almost surely, 2^841666758340 is an apocalyptic number.

It is an amenable number.

841666758340 is an abundant number, since it is smaller than the sum of its proper divisors (925833434216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

841666758340 is a wasteful number, since it uses less digits than its factorization.

841666758340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42083337926 (or 42083337924 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 841666758340 in words is "eight hundred forty-one billion, six hundred sixty-six million, seven hundred fifty-eight thousand, three hundred forty".