16666683327 has 24 divisors (see below), whose sum is σ = 27525058080. Its totient is φ = 9519733440.

The previous prime is 16666683317. The next prime is 16666683331. The reversal of 16666683327 is 72338666661.

It is not a de Polignac number, because 16666683327 - 2⁷ = 16666683199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16666683317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94449 + ... + 205557.

It is an arithmetic number, because the mean of its divisors is an integer number (1146877420).

Almost surely, 2^16666683327 is an apocalyptic number.

16666683327 is a deficient number, since it is larger than the sum of its proper divisors (10858374753).

16666683327 is a wasteful number, since it uses less digits than its factorization.

16666683327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113503 (or 113500 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 16666683327 in words is "sixteen billion, six hundred sixty-six million, six hundred eighty-three thousand, three hundred twenty-seven".