366817803818166 has 32 divisors (see below), whose sum is σ = 815151682017120. Its totient is φ = 122272450242912.

The previous prime is 366817803818131. The next prime is 366817803818233. The reversal of 366817803818166 is 661818308718663.

366817803818166 is a `hidden beast` number, since 3 + 6 + 6 + 8 + 1 + 7 + 80 + 381 + 8 + 166 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 366817803818094 and 366817803818103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45280536 + ... + 52763268.

It is an arithmetic number, because the mean of its divisors is an integer number (25473490063035).

Almost surely, 2^{366817803818166} is an apocalyptic number.

366817803818166 is an abundant number, since it is smaller than the sum of its proper divisors (448333878198954).

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

366817803818166 is a wasteful number, since it uses less digits than its factorization.

366817803818166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8390557 (or 8390551 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 72.

The spelling of 366817803818166 in words is "three hundred sixty-six trillion, eight hundred seventeen billion, eight hundred three million, eight hundred eighteen thousand, one hundred sixty-six".