866786024645466 has 16 divisors (see below), whose sum is σ = 1757988557028288. Its totient is φ = 284859256925600.

The previous prime is 866786024645423. The next prime is 866786024645503. The reversal of 866786024645466 is 664546420687668.

It is a junction number, because it is equal to n+sod(n) for n = 866786024645391 and 866786024645400.

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, 1017354488595 + ... + 1017354489446.

It is an arithmetic number, because the mean of its divisors is an integer number (109874284814268).

Almost surely, 2^{866786024645466} is an apocalyptic number.

866786024645466 is an abundant number, since it is smaller than the sum of its proper divisors (891202532382822).

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

866786024645466 is a wasteful number, since it uses less digits than its factorization.

866786024645466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034708978117.

The product of its (nonzero) digits is 13377208320, while the sum is 78.

The spelling of 866786024645466 in words is "eight hundred sixty-six trillion, seven hundred eighty-six billion, twenty-four million, six hundred forty-five thousand, four hundred sixty-six".