866446671001484 has 12 divisors (see below), whose sum is σ = 1516283466621000. Its totient is φ = 433222823395488.

The previous prime is 866446671001451. The next prime is 866446671001577. The reversal of 866446671001484 is 484100176644668.

It is a self number, because there is not a number n which added to its sum of digits gives 866446671001484.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124206809 + ... + 130997040.

It is an arithmetic number, because the mean of its divisors is an integer number (126356955551750).

Almost surely, 2^{866446671001484} is an apocalyptic number.

It is an amenable number.

866446671001484 is a deficient number, since it is larger than the sum of its proper divisors (649836795619516).

866446671001484 is a wasteful number, since it uses less digits than its factorization.

866446671001484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256052632 (or 256052630 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 65.

The spelling of 866446671001484 in words is "eight hundred sixty-six trillion, four hundred forty-six billion, six hundred seventy-one million, one thousand, four hundred eighty-four".