16668683367 has 16 divisors (see below), whose sum is σ = 25410642432. Its totient is φ = 9520932960.

The previous prime is 16668683359. The next prime is 16668683393. The reversal of 16668683367 is 76338686661.

It is a happy number.

It is not a de Polignac number, because 16668683367 - 2³ = 16668683359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16668683367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16668683467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116683 + ... + 216684.

It is an arithmetic number, because the mean of its divisors is an integer number (1588165152).

Almost surely, 2^16668683367 is an apocalyptic number.

16668683367 is a deficient number, since it is larger than the sum of its proper divisors (8741959065).

16668683367 is a wasteful number, since it uses less digits than its factorization.

16668683367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335758.

The product of its digits is 31352832, while the sum is 60.

The spelling of 16668683367 in words is "sixteen billion, six hundred sixty-eight million, six hundred eighty-three thousand, three hundred sixty-seven".