16842081 has 8 divisors (see below), whose sum is σ = 22836960. Its totient is φ = 11037632.

The previous prime is 16842073. The next prime is 16842109. The reversal of 16842081 is 18024861.

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 16842081 - 2³ = 16842073 is a prime.

It is a super-2 number, since 2×16842081² = 567311384821122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16842031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47400 + ... + 47753.

It is an arithmetic number, because the mean of its divisors is an integer number (2854620).

Almost surely, 2^16842081 is an apocalyptic number.

It is an amenable number.

16842081 is a deficient number, since it is larger than the sum of its proper divisors (5994879).

16842081 is an equidigital number, since it uses as much as digits as its factorization.

16842081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95215.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 16842081 is about 4103.9104522394. The cubic root of 16842081 is about 256.3294961762.

The spelling of 16842081 in words is "sixteen million, eight hundred forty-two thousand, eighty-one".