866018413 has 8 divisors (see below), whose sum is σ = 938222208. Its totient is φ = 794612784.

The previous prime is 866018401. The next prime is 866018429. The reversal of 866018413 is 314810668.

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 866018413 - 2²⁹ = 329147501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866018443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197281 + ... + 201622.

It is an arithmetic number, because the mean of its divisors is an integer number (117277776).

Almost surely, 2^866018413 is an apocalyptic number.

It is an amenable number.

866018413 is a deficient number, since it is larger than the sum of its proper divisors (72203795).

866018413 is a wasteful number, since it uses less digits than its factorization.

866018413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399083.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 866018413 is about 29428.1907870667. The cubic root of 866018413 is about 953.1817282054.

The spelling of 866018413 in words is "eight hundred sixty-six million, eighteen thousand, four hundred thirteen".