16116727961 has 8 divisors (see below), whose sum is σ = 16651652160. Its totient is φ = 15589081872.

The previous prime is 16116727927. The next prime is 16116727987. The reversal of 16116727961 is 16972761161.

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 16116727961 - 2³⁰ = 15042986137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16116726961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815026 + ... + 1823883.

It is an arithmetic number, because the mean of its divisors is an integer number (2081456520).

Almost surely, 2^16116727961 is an apocalyptic number.

It is an amenable number.

16116727961 is a deficient number, since it is larger than the sum of its proper divisors (534924199).

16116727961 is a wasteful number, since it uses less digits than its factorization.

16116727961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639055.

The product of its digits is 190512, while the sum is 47.

The spelling of 16116727961 in words is "sixteen billion, one hundred sixteen million, seven hundred twenty-seven thousand, nine hundred sixty-one".