2866663520886 has 16 divisors (see below), whose sum is σ = 6254538591168. Its totient is φ = 868685915400.

The previous prime is 2866663520879. The next prime is 2866663520899. The reversal of 2866663520886 is 6880253666682.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 43434295771 = 2866663520886 / (2 + 8 + 6 + 6 + 6 + 6 + 3 + 5 + 2 + 0 + 8 + 8 + 6).

It is a congruent number.

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, 21717147820 + ... + 21717147951.

It is an arithmetic number, because the mean of its divisors is an integer number (390908661948).

Almost surely, 2^{2866663520886} is an apocalyptic number.

2866663520886 is an abundant number, since it is smaller than the sum of its proper divisors (3387875070282).

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

2866663520886 is a wasteful number, since it uses less digits than its factorization.

2866663520886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43434295787.

The product of its (nonzero) digits is 238878720, while the sum is 66.

The spelling of 2866663520886 in words is "two trillion, eight hundred sixty-six billion, six hundred sixty-three million, five hundred twenty thousand, eight hundred eighty-six".