16655801366166 has 16 divisors (see below), whose sum is σ = 33311915244144. Its totient is φ = 5551881703424.

The previous prime is 16655801366159. The next prime is 16655801366179. The reversal of 16655801366166 is 66166310855661.

It is a Curzon number.

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, 12325611 + ... + 13610006.

It is an arithmetic number, because the mean of its divisors is an integer number (2081994702759).

Almost surely, 2^{16655801366166} is an apocalyptic number.

16655801366166 is an abundant number, since it is smaller than the sum of its proper divisors (16656113877978).

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

16655801366166 is a wasteful number, since it uses less digits than its factorization.

16655801366166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26042655.

The product of its (nonzero) digits is 27993600, while the sum is 60.

The spelling of 16655801366166 in words is "sixteen trillion, six hundred fifty-five billion, eight hundred one million, three hundred sixty-six thousand, one hundred sixty-six".