16516023231066 has 16 divisors (see below), whose sum is σ = 34975108018944. Its totient is φ = 5181497484224.

The previous prime is 16516023231011. The next prime is 16516023231107. The reversal of 16516023231066 is 66013232061561.

It is a super-2 number, since 2×16516023231066² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80960898090 + ... + 80960898293.

It is an arithmetic number, because the mean of its divisors is an integer number (2185944251184).

Almost surely, 2^{16516023231066} is an apocalyptic number.

16516023231066 is an abundant number, since it is smaller than the sum of its proper divisors (18459084787878).

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

16516023231066 is a wasteful number, since it uses less digits than its factorization.

16516023231066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161921796405.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 16516023231066 in words is "sixteen trillion, five hundred sixteen billion, twenty-three million, two hundred thirty-one thousand, sixty-six".