866473260686410 has 16 divisors (see below), whose sum is σ = 1679625089946216. Its totient is φ = 319928588561088.

The previous prime is 866473260686339. The next prime is 866473260686417. The reversal of 866473260686410 is 14686062374668.

It can be written as a sum of positive squares in 4 ways, for example, as 606487208095521 + 259986052590889 = 24626961^2 + 16124083^2 .

It is a super-2 number, since 2×866473260686410² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (866473260686417) 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, 3332589464049 + ... + 3332589464308.

Almost surely, 2^{866473260686410} is an apocalyptic number.

866473260686410 is a deficient number, since it is larger than the sum of its proper divisors (813151829259806).

866473260686410 is a wasteful number, since it uses less digits than its factorization.

866473260686410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665178928377.

The product of its (nonzero) digits is 334430208, while the sum is 67.

The spelling of 866473260686410 in words is "eight hundred sixty-six trillion, four hundred seventy-three billion, two hundred sixty million, six hundred eighty-six thousand, four hundred ten".