16326081 has 12 divisors (see below), whose sum is σ = 23617152. Its totient is φ = 10867896.

The previous prime is 16326059. The next prime is 16326133. The reversal of 16326081 is 18062361.

It is not a de Polignac number, because 16326081 - 2⁵ = 16326049 is a prime.

It is a super-2 number, since 2×16326081² = 533081841637122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16326041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11260 + ... + 12626.

It is an arithmetic number, because the mean of its divisors is an integer number (1968096).

Almost surely, 2^16326081 is an apocalyptic number.

It is an amenable number.

16326081 is a deficient number, since it is larger than the sum of its proper divisors (7291071).

16326081 is a wasteful number, since it uses less digits than its factorization.

16326081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2697 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 16326081 is about 4040.5545411490. The cubic root of 16326081 is about 253.6845288797.

It can be divided in two parts, 163 and 26081, that added together give a square (26244 = 162²).

The spelling of 16326081 in words is "sixteen million, three hundred twenty-six thousand, eighty-one".