16168943 has 8 divisors (see below), whose sum is σ = 19451520. Its totient is φ = 13129560.

The previous prime is 16168913. The next prime is 16168969. The reversal of 16168943 is 34986161.

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 16168943 - 2⁸ = 16168687 is a prime.

It is a super-2 number, since 2×16168943² = 522869435474498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16168897 and 16168906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16168913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60653 + ... + 60918.

It is an arithmetic number, because the mean of its divisors is an integer number (2431440).

Almost surely, 2^16168943 is an apocalyptic number.

16168943 is a deficient number, since it is larger than the sum of its proper divisors (3282577).

16168943 is a wasteful number, since it uses less digits than its factorization.

16168943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121597.

The product of its digits is 31104, while the sum is 38.

The square root of 16168943 is about 4021.0624217985. The cubic root of 16168943 is about 252.8680017802.

The spelling of 16168943 in words is "sixteen million, one hundred sixty-eight thousand, nine hundred forty-three".