866380083668 has 48 divisors (see below), whose sum is σ = 1743352094400. Its totient is φ = 372589217280.

The previous prime is 866380083659. The next prime is 866380083707.

866380083668 is nontrivially palindromic in base 10.

866380083668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×866380083668² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 866380083668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51653 + ... + 1317356.

It is an arithmetic number, because the mean of its divisors is an integer number (36319835300).

Almost surely, 2^866380083668 is an apocalyptic number.

It is an amenable number.

866380083668 is an abundant number, since it is smaller than the sum of its proper divisors (876972010732).

866380083668 is a wasteful number, since it uses less digits than its factorization.

866380083668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369800 (or 1369798 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 62.

The spelling of 866380083668 in words is "eight hundred sixty-six billion, three hundred eighty million, eighty-three thousand, six hundred sixty-eight".