16686142141613 has 4 divisors (see below), whose sum is σ = 19069876733280. Its totient is φ = 14302407549948.

The previous prime is 16686142141609. The next prime is 16686142141681. The reversal of 16686142141613 is 31614124168661.

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 not a de Polignac number, because 16686142141613 - 2² = 16686142141609 is a prime.

It is a super-2 number, since 2×16686142141613² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16686142141693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191867295823 + ... + 1191867295836.

It is an arithmetic number, because the mean of its divisors is an integer number (4767469183320).

Almost surely, 2^{16686142141613} is an apocalyptic number.

It is an amenable number.

16686142141613 is a deficient number, since it is larger than the sum of its proper divisors (2383734591667).

16686142141613 is an equidigital number, since it uses as much as digits as its factorization.

16686142141613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383734591666.

The product of its digits is 995328, while the sum is 50.

The spelling of 16686142141613 in words is "sixteen trillion, six hundred eighty-six billion, one hundred forty-two million, one hundred forty-one thousand, six hundred thirteen".