2281685107866 has 16 divisors (see below), whose sum is σ = 4761777616704. Its totient is φ = 727493802464.

The previous prime is 2281685107837. The next prime is 2281685107907. The reversal of 2281685107866 is 6687015861822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8266974891 + ... + 8266975166.

It is an arithmetic number, because the mean of its divisors is an integer number (297611101044).

Almost surely, 2^{2281685107866} is an apocalyptic number.

2281685107866 is an abundant number, since it is smaller than the sum of its proper divisors (2480092508838).

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

2281685107866 is a wasteful number, since it uses less digits than its factorization.

2281685107866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16533950085.

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 2281685107866 in words is "two trillion, two hundred eighty-one billion, six hundred eighty-five million, one hundred seven thousand, eight hundred sixty-six".