16662111343 has 8 divisors (see below), whose sum is σ = 16918465280. Its totient is φ = 16405983000.

The previous prime is 16662111341. The next prime is 16662111371. The reversal of 16662111343 is 34311126661.

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 16662111343 - 2¹ = 16662111341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16662111299 and 16662111308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16662111341) 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, 95578 + ... + 206056.

It is an arithmetic number, because the mean of its divisors is an integer number (2114808160).

Almost surely, 2^16662111343 is an apocalyptic number.

16662111343 is a deficient number, since it is larger than the sum of its proper divisors (256353937).

16662111343 is a wasteful number, since it uses less digits than its factorization.

16662111343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112797.

The product of its digits is 15552, while the sum is 34.

The spelling of 16662111343 in words is "sixteen billion, six hundred sixty-two million, one hundred eleven thousand, three hundred forty-three".