16655166116001 has 96 divisors (see below), whose sum is σ = 27869960282112. Its totient is φ = 9388164643200.

The previous prime is 16655166115997. The next prime is 16655166116003. The reversal of 16655166116001 is 10061166155661.

16655166116001 is a `hidden beast` number, since 1 + 6 + 65 + 516 + 6 + 11 + 60 + 0 + 1 = 666.

It is not a de Polignac number, because 16655166116001 - 2² = 16655166115997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16655166116003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2128995976 + ... + 2129003798.

It is an arithmetic number, because the mean of its divisors is an integer number (290312086272).

Almost surely, 2^{16655166116001} is an apocalyptic number.

It is an amenable number.

16655166116001 is a deficient number, since it is larger than the sum of its proper divisors (11214794166111).

16655166116001 is a wasteful number, since it uses less digits than its factorization.

16655166116001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9523 (or 9520 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 16655166116001 in words is "sixteen trillion, six hundred fifty-five billion, one hundred sixty-six million, one hundred sixteen thousand, one".