16743381 has 8 divisors (see below), whose sum is σ = 22529760. Its totient is φ = 11059632.

The previous prime is 16743373. The next prime is 16743403. The reversal of 16743381 is 18334761.

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

It is not a de Polignac number, because 16743381 - 2³ = 16743373 is a prime.

It is a super-2 number, since 2×16743381² = 560681614622322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16743301) 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, 25275 + ... + 25928.

It is an arithmetic number, because the mean of its divisors is an integer number (2816220).

Almost surely, 2^16743381 is an apocalyptic number.

It is an amenable number.

16743381 is a deficient number, since it is larger than the sum of its proper divisors (5786379).

16743381 is a wasteful number, since it uses less digits than its factorization.

16743381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51315.

The product of its digits is 12096, while the sum is 33.

The square root of 16743381 is about 4091.8676664819. The cubic root of 16743381 is about 255.8277904724.

The spelling of 16743381 in words is "sixteen million, seven hundred forty-three thousand, three hundred eighty-one".