16686686703367 has 4 divisors (see below), whose sum is σ = 16687453329936. Its totient is φ = 16685920076800.

The previous prime is 16686686703361. The next prime is 16686686703403. The reversal of 16686686703367 is 76330768668661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16686686703367 - 2²⁷ = 16686552485639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16686686703367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16686686703361) 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, 383280634 + ... + 383324167.

It is an arithmetic number, because the mean of its divisors is an integer number (4171863332484).

Almost surely, 2^{16686686703367} is an apocalyptic number.

16686686703367 is a deficient number, since it is larger than the sum of its proper divisors (766626569).

16686686703367 is an equidigital number, since it uses as much as digits as its factorization.

16686686703367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766626568.

The product of its (nonzero) digits is 1316818944, while the sum is 73.

The spelling of 16686686703367 in words is "sixteen trillion, six hundred eighty-six billion, six hundred eighty-six million, seven hundred three thousand, three hundred sixty-seven".