16666433410836 has 48 divisors (see below), whose sum is σ = 43326279521280. Its totient is φ = 4942978314720.

The previous prime is 16666433410801. The next prime is 16666433410901. The reversal of 16666433410836 is 63801433466661.

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, 1343194426 + ... + 1343206833.

It is an arithmetic number, because the mean of its divisors is an integer number (902630823360).

Almost surely, 2^{16666433410836} is an apocalyptic number.

It is an amenable number.

16666433410836 is an abundant number, since it is smaller than the sum of its proper divisors (26659846110444).

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

16666433410836 is a wasteful number, since it uses less digits than its factorization.

16666433410836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686401324 (or 2686401322 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 57.

The spelling of 16666433410836 in words is "sixteen trillion, six hundred sixty-six billion, four hundred thirty-three million, four hundred ten thousand, eight hundred thirty-six".