866546100274383 has 12 divisors (see below), whose sum is σ = 1252474439882328. Its totient is φ = 577329674266320.

The previous prime is 866546100274373. The next prime is 866546100274417. The reversal of 866546100274383 is 383472001645668.

It is a happy number.

866546100274383 is a `hidden beast` number, since 8 + 6 + 6 + 5 + 4 + 610 + 0 + 2 + 7 + 4 + 3 + 8 + 3 = 666.

It is not a de Polignac number, because 866546100274383 - 2⁹ = 866546100273871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 866546100274383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866546100274373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30643811460 + ... + 30643839737.

It is an arithmetic number, because the mean of its divisors is an integer number (104372869990194).

Almost surely, 2^{866546100274383} is an apocalyptic number.

866546100274383 is a deficient number, since it is larger than the sum of its proper divisors (385928339607945).

866546100274383 is a wasteful number, since it uses less digits than its factorization.

866546100274383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61287652774 (or 61287652771 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 63.

The spelling of 866546100274383 in words is "eight hundred sixty-six trillion, five hundred forty-six billion, one hundred million, two hundred seventy-four thousand, three hundred eighty-three".