16816566023 has 8 divisors (see below), whose sum is σ = 17529248880. Its totient is φ = 16112736640.

The previous prime is 16816566017. The next prime is 16816566049. The reversal of 16816566023 is 32066561861.

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 16816566023 - 2¹⁴ = 16816549639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16816566623) 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 7 ways as a sum of consecutive naturals, for example, 2209490 + ... + 2217087.

It is an arithmetic number, because the mean of its divisors is an integer number (2191156110).

Almost surely, 2^16816566023 is an apocalyptic number.

16816566023 is a deficient number, since it is larger than the sum of its proper divisors (712682857).

16816566023 is a wasteful number, since it uses less digits than its factorization.

16816566023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426737.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 16816566023 in words is "sixteen billion, eight hundred sixteen million, five hundred sixty-six thousand, twenty-three".