16326361 has 8 divisors (see below), whose sum is σ = 16944200. Its totient is φ = 15717888.

The previous prime is 16326337. The next prime is 16326371. The reversal of 16326361 is 16362361.

It can be written as a sum of positive squares in 4 ways, for example, as 7054336 + 9272025 = 2656^2 + 3045^2 .

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 16326361 - 2¹⁵ = 16293593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16326371) 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, 1315 + ... + 5863.

It is an arithmetic number, because the mean of its divisors is an integer number (2118025).

Almost surely, 2^16326361 is an apocalyptic number.

It is an amenable number.

16326361 is a deficient number, since it is larger than the sum of its proper divisors (617839).

16326361 is an equidigital number, since it uses as much as digits as its factorization.

16326361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683.

The product of its digits is 3888, while the sum is 28.

The square root of 16326361 is about 4040.5891897098. The cubic root of 16326361 is about 253.6859791413.

The spelling of 16326361 in words is "sixteen million, three hundred twenty-six thousand, three hundred sixty-one".