23916161 has 8 divisors (see below), whose sum is σ = 25941384. Its totient is φ = 21959680.

The previous prime is 23916157. The next prime is 23916203. The reversal of 23916161 is 16161932.

It can be written as a sum of positive squares in 4 ways, for example, as 577600 + 23338561 = 760^2 + 4831^2 .

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 23916161 - 2² = 23916157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23916121) 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 7 ways as a sum of consecutive naturals, for example, 16460 + ... + 17853.

It is an arithmetic number, because the mean of its divisors is an integer number (3242673).

Almost surely, 2^23916161 is an apocalyptic number.

It is an amenable number.

23916161 is a deficient number, since it is larger than the sum of its proper divisors (2025223).

23916161 is a wasteful number, since it uses less digits than its factorization.

23916161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34371.

The product of its digits is 1944, while the sum is 29.

The square root of 23916161 is about 4890.4152175454. The cubic root of 23916161 is about 288.1136422982.

The spelling of 23916161 in words is "twenty-three million, nine hundred sixteen thousand, one hundred sixty-one".