16566090093 has 96 divisors (see below), whose sum is σ = 28867018752. Its totient is φ = 8956396800.

The previous prime is 16566090089. The next prime is 16566090127. The reversal of 16566090093 is 39009066561.

It is not a de Polignac number, because 16566090093 - 2² = 16566090089 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16566090043) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18676096 + ... + 18676982.

It is an arithmetic number, because the mean of its divisors is an integer number (300698112).

Almost surely, 2^16566090093 is an apocalyptic number.

It is an amenable number.

16566090093 is a deficient number, since it is larger than the sum of its proper divisors (12300928659).

16566090093 is a wasteful number, since it uses less digits than its factorization.

16566090093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 16566090093 in words is "sixteen billion, five hundred sixty-six million, ninety thousand, ninety-three".