16814081 has 4 divisors (see below), whose sum is σ = 17545152. Its totient is φ = 16083012.

The previous prime is 16814033. The next prime is 16814089. The reversal of 16814081 is 18041861.

16814081 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18041861 = 607 ⋅29723.

It is a cyclic number.

It is not a de Polignac number, because 16814081 - 2¹⁰ = 16813057 is a prime.

It is a super-2 number, since 2×16814081² = 565426639749122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16814089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365501 + ... + 365546.

It is an arithmetic number, because the mean of its divisors is an integer number (4386288).

Almost surely, 2^16814081 is an apocalyptic number.

It is an amenable number.

16814081 is a deficient number, since it is larger than the sum of its proper divisors (731071).

16814081 is an equidigital number, since it uses as much as digits as its factorization.

16814081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731070.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 16814081 is about 4100.4976527246. The cubic root of 16814081 is about 256.1873679171.

The spelling of 16814081 in words is "sixteen million, eight hundred fourteen thousand, eighty-one".