16516066133 has 8 divisors (see below), whose sum is σ = 18879030720. Its totient is φ = 14153983200.

The previous prime is 16516066129. The next prime is 16516066183. The reversal of 16516066133 is 33166061561.

It is a happy number.

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

It is not a de Polignac number, because 16516066133 - 2² = 16516066129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16516066183) 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, 179768 + ... + 255633.

It is an arithmetic number, because the mean of its divisors is an integer number (2359878840).

Almost surely, 2^16516066133 is an apocalyptic number.

It is an amenable number.

16516066133 is a deficient number, since it is larger than the sum of its proper divisors (2362964587).

16516066133 is an equidigital number, since it uses as much as digits as its factorization.

16516066133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440827.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 16516066133 in words is "sixteen billion, five hundred sixteen million, sixty-six thousand, one hundred thirty-three".