866536457288413 has 8 divisors (see below), whose sum is σ = 868162856580000. Its totient is φ = 864910367424048.

The previous prime is 866536457288377. The next prime is 866536457288417. The reversal of 866536457288413 is 314882754635668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 866536457288413 - 2³³ = 866527867353821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 866536457288413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866536457288417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71750263 + ... + 82952836.

It is an arithmetic number, because the mean of its divisors is an integer number (108520357072500).

Almost surely, 2^{866536457288413} is an apocalyptic number.

It is an amenable number.

866536457288413 is a deficient number, since it is larger than the sum of its proper divisors (1626399291587).

866536457288413 is a wasteful number, since it uses less digits than its factorization.

866536457288413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154713611.

The product of its digits is 5573836800, while the sum is 76.

The spelling of 866536457288413 in words is "eight hundred sixty-six trillion, five hundred thirty-six billion, four hundred fifty-seven million, two hundred eighty-eight thousand, four hundred thirteen".