866184610486404 has 24 divisors (see below), whose sum is σ = 2204833553965728. Its totient is φ = 262480184995840.

The previous prime is 866184610486387. The next prime is 866184610486457. The reversal of 866184610486404 is 404684016481668.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 3281002312317 + ... + 3281002312580.

It is an arithmetic number, because the mean of its divisors is an integer number (91868064748572).

Almost surely, 2^{866184610486404} is an apocalyptic number.

It is an amenable number.

866184610486404 is an abundant number, since it is smaller than the sum of its proper divisors (1338648943479324).

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

866184610486404 is a wasteful number, since it uses less digits than its factorization.

866184610486404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562004624915 (or 6562004624913 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 66.

The spelling of 866184610486404 in words is "eight hundred sixty-six trillion, one hundred eighty-four billion, six hundred ten million, four hundred eighty-six thousand, four hundred four".