16052399 has 8 divisors (see below), whose sum is σ = 18115920. Its totient is φ = 14089600.

The previous prime is 16052381. The next prime is 16052411. The reversal of 16052399 is 99325061.

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 16052399 - 2¹² = 16048303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16052299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24842 + ... + 25479.

It is an arithmetic number, because the mean of its divisors is an integer number (2264490).

Almost surely, 2^16052399 is an apocalyptic number.

16052399 is a deficient number, since it is larger than the sum of its proper divisors (2063521).

16052399 is a wasteful number, since it uses less digits than its factorization.

16052399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50361.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 16052399 is about 4006.5445211554. The cubic root of 16052399 is about 252.2589877498.

It can be divided in two parts, 1605 and 2399, that added together give a palindrome (4004).

The spelling of 16052399 in words is "sixteen million, fifty-two thousand, three hundred ninety-nine".