16020249 has 16 divisors (see below), whose sum is σ = 25697280. Its totient is φ = 8672400.

The previous prime is 16020241. The next prime is 16020253. The reversal of 16020249 is 94202061.

It is not a de Polignac number, because 16020249 - 2³ = 16020241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16020241) 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 15 ways as a sum of consecutive naturals, for example, 19677 + ... + 20474.

It is an arithmetic number, because the mean of its divisors is an integer number (1606080).

Almost surely, 2^16020249 is an apocalyptic number.

16020249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16020249 is a deficient number, since it is larger than the sum of its proper divisors (9677031).

16020249 is a wasteful number, since it uses less digits than its factorization.

16020249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40180.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 16020249 is about 4002.5303246821. The cubic root of 16020249 is about 252.0904657560.

The spelling of 16020249 in words is "sixteen million, twenty thousand, two hundred forty-nine".