13667925666679 has 8 divisors (see below), whose sum is σ = 13904270986032. Its totient is φ = 13433286812160.

The previous prime is 13667925666677. The next prime is 13667925666721. The reversal of 13667925666679 is 97666652976631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13667925666679 - 2¹ = 13667925666677 is a prime.

It is a super-2 number, since 2×13667925666679² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13667925666599 and 13667925666608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13667925666677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426600052 + ... + 426632089.

It is an arithmetic number, because the mean of its divisors is an integer number (1738033873254).

Almost surely, 2^{13667925666679} is an apocalyptic number.

13667925666679 is a deficient number, since it is larger than the sum of its proper divisors (236345319353).

13667925666679 is an equidigital number, since it uses as much as digits as its factorization.

13667925666679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853232417.

The product of its digits is 5555329920, while the sum is 79.

The spelling of 13667925666679 in words is "thirteen trillion, six hundred sixty-seven billion, nine hundred twenty-five million, six hundred sixty-six thousand, six hundred seventy-nine".