16233261 has 16 divisors (see below), whose sum is σ = 23833920. Its totient is φ = 9745920.

The previous prime is 16233257. The next prime is 16233271.

It is a happy number.

16233261 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 16233261 - 2² = 16233257 is a prime.

It is a super-3 number, since 3×16233261³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16233271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341 + ... + 5853.

It is an arithmetic number, because the mean of its divisors is an integer number (1489620).

Almost surely, 2^16233261 is an apocalyptic number.

16233261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16233261 is a deficient number, since it is larger than the sum of its proper divisors (7600659).

16233261 is a wasteful number, since it uses less digits than its factorization.

16233261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636.

The product of its digits is 1296, while the sum is 24.

The square root of 16233261 is about 4029.0521217775. The cubic root of 16233261 is about 253.2028504330.

It can be divided in two parts, 1623 and 3261, that added together give a palindrome (4884).

The spelling of 16233261 in words is "sixteen million, two hundred thirty-three thousand, two hundred sixty-one".