16240899 has 32 divisors (see below), whose sum is σ = 24192000. Its totient is φ = 9644544.

The previous prime is 16240883. The next prime is 16240907. The reversal of 16240899 is 99804261.

It is a Cunningham number, because it is equal to 4030²-1.

It is not a de Polignac number, because 16240899 - 2⁴ = 16240883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16240999) 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 31 ways as a sum of consecutive naturals, for example, 116772 + ... + 116910.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

Almost surely, 2^16240899 is an apocalyptic number.

16240899 is a deficient number, since it is larger than the sum of its proper divisors (7951101).

16240899 is a wasteful number, since it uses less digits than its factorization.

16240899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 16240899 is about 4029.9998759305. Note that the first 3 decimals coincide. The cubic root of 16240899 is about 253.2425561567.

The spelling of 16240899 in words is "sixteen million, two hundred forty thousand, eight hundred ninety-nine".