16606194693 has 64 divisors (see below), whose sum is σ = 25934515200. Its totient is φ = 9344885760.

The previous prime is 16606194659. The next prime is 16606194707. The reversal of 16606194693 is 39649160661.

It is not a de Polignac number, because 16606194693 - 2²⁵ = 16572640261 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 (16606194653) 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 63 ways as a sum of consecutive naturals, for example, 21936471 + ... + 21937227.

It is an arithmetic number, because the mean of its divisors is an integer number (405226800).

Almost surely, 2^16606194693 is an apocalyptic number.

It is an amenable number.

16606194693 is a deficient number, since it is larger than the sum of its proper divisors (9328320507).

16606194693 is a wasteful number, since it uses less digits than its factorization.

16606194693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 16606194693 in words is "sixteen billion, six hundred six million, one hundred ninety-four thousand, six hundred ninety-three".