16066607773 has 4 divisors (see below), whose sum is σ = 16066982080. Its totient is φ = 16066233468.

The previous prime is 16066607771. The next prime is 16066607813. The reversal of 16066607773 is 37770666061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16066607773 - 2¹ = 16066607771 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 (16066607771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112965 + ... + 211882.

It is an arithmetic number, because the mean of its divisors is an integer number (4016745520).

Almost surely, 2^16066607773 is an apocalyptic number.

It is an amenable number.

16066607773 is a deficient number, since it is larger than the sum of its proper divisors (374307).

16066607773 is an equidigital number, since it uses as much as digits as its factorization.

16066607773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374306.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 16066607773 in words is "sixteen billion, sixty-six million, six hundred seven thousand, seven hundred seventy-three".