16755231 has 4 divisors (see below), whose sum is σ = 22340312. Its totient is φ = 11170152.

The previous prime is 16755227. The next prime is 16755241. The reversal of 16755231 is 13255761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13255761 = 3 ⋅4418587.

It is not a de Polignac number, because 16755231 - 2² = 16755227 is a prime.

It is a super-2 number, since 2×16755231² = 561475531726722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16755241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2792536 + ... + 2792541.

It is an arithmetic number, because the mean of its divisors is an integer number (5585078).

Almost surely, 2^16755231 is an apocalyptic number.

16755231 is a deficient number, since it is larger than the sum of its proper divisors (5585081).

16755231 is an equidigital number, since it uses as much as digits as its factorization.

16755231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585080.

The product of its digits is 6300, while the sum is 30.

The square root of 16755231 is about 4093.3154044124. The cubic root of 16755231 is about 255.8881296280. Note that the first 3 decimals are identical.

The spelling of 16755231 in words is "sixteen million, seven hundred fifty-five thousand, two hundred thirty-one".