16068281 has 8 divisors (see below), whose sum is σ = 17909280. Its totient is φ = 14326848.

The previous prime is 16068277. The next prime is 16068287. The reversal of 16068281 is 18286061.

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 16068281 - 2² = 16068277 is a prime.

It is a super-2 number, since 2×16068281² = 516379308589922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16068287) 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, 24551 + ... + 25196.

It is an arithmetic number, because the mean of its divisors is an integer number (2238660).

Almost surely, 2^16068281 is an apocalyptic number.

It is an amenable number.

16068281 is a deficient number, since it is larger than the sum of its proper divisors (1840999).

16068281 is a wasteful number, since it uses less digits than its factorization.

16068281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49783.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 16068281 is about 4008.5260383338. The cubic root of 16068281 is about 252.3421540663.

The spelling of 16068281 in words is "sixteen million, sixty-eight thousand, two hundred eighty-one".