16166066016161 has 8 divisors (see below), whose sum is σ = 16399978943040. Its totient is φ = 15933686945008.

The previous prime is 16166066016131. The next prime is 16166066016211. The reversal of 16166066016161 is 16161066066161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16166066016161 - 2¹⁰ = 16166066015137 is a prime.

It is a super-2 number, since 2×16166066016161² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16166066016131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383442701 + ... + 383484858.

It is an arithmetic number, because the mean of its divisors is an integer number (2049997367880).

Almost surely, 2^{16166066016161} is an apocalyptic number.

It is an amenable number.

16166066016161 is a deficient number, since it is larger than the sum of its proper divisors (233912926879).

16166066016161 is a wasteful number, since it uses less digits than its factorization.

16166066016161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766927863.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 16166066016161 in words is "sixteen trillion, one hundred sixty-six billion, sixty-six million, sixteen thousand, one hundred sixty-one".