866514340562168 has 32 divisors (see below), whose sum is σ = 1630967076034560. Its totient is φ = 431589938604000.

The previous prime is 866514340562147. The next prime is 866514340562239. The reversal of 866514340562168 is 861265043415668.

It is a congruent number.

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, 36296921 + ... + 55231287.

It is an arithmetic number, because the mean of its divisors is an integer number (50967721126080).

Almost surely, 2^{866514340562168} is an apocalyptic number.

It is an amenable number.

866514340562168 is a deficient number, since it is larger than the sum of its proper divisors (764452735472392).

866514340562168 is a wasteful number, since it uses less digits than its factorization.

866514340562168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18956387 (or 18956383 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 65.

The spelling of 866514340562168 in words is "eight hundred sixty-six trillion, five hundred fourteen billion, three hundred forty million, five hundred sixty-two thousand, one hundred sixty-eight".