16113249 has 10 divisors (see below), whose sum is σ = 24070530. Its totient is φ = 10742112.

The previous prime is 16113247. The next prime is 16113257. The reversal of 16113249 is 94231161.

16113249 is a `hidden beast` number, since 1 + 611 + 3 + 2 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15681600 + 431649 = 3960^2 + 657^2 .

It is not a de Polignac number, because 16113249 - 2¹ = 16113247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16113247) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 99384 + ... + 99545.

It is an arithmetic number, because the mean of its divisors is an integer number (2407053).

Almost surely, 2^16113249 is an apocalyptic number.

It is an amenable number.

16113249 is a deficient number, since it is larger than the sum of its proper divisors (7957281).

16113249 is an equidigital number, since it uses as much as digits as its factorization.

16113249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198941 (or 198932 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 16113249 is about 4014.1311637763. The cubic root of 16113249 is about 252.5773327813.

The spelling of 16113249 in words is "sixteen million, one hundred thirteen thousand, two hundred forty-nine".