16066774773 has 12 divisors (see below), whose sum is σ = 26522929888. Its totient is φ = 9181014120.

The previous prime is 16066774771. The next prime is 16066774777. The reversal of 16066774773 is 37747766061.

16066774773 is a `hidden beast` number, since 160 + 6 + 6 + 7 + 7 + 477 + 3 = 666.

It is not a de Polignac number, because 16066774773 - 2¹ = 16066774771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066774771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127514023 + ... + 127514148.

Almost surely, 2^16066774773 is an apocalyptic number.

It is an amenable number.

16066774773 is a deficient number, since it is larger than the sum of its proper divisors (10456155115).

16066774773 is a wasteful number, since it uses less digits than its factorization.

16066774773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255028184 (or 255028181 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 54.

The spelling of 16066774773 in words is "sixteen billion, sixty-six million, seven hundred seventy-four thousand, seven hundred seventy-three".