16053999 has 8 divisors (see below), whose sum is σ = 23051952. Its totient is φ = 9879360.

The previous prime is 16053997. The next prime is 16054009. The reversal of 16053999 is 99935061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16053999 - 2¹ = 16053997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16053999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16053997) 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, 205782 + ... + 205859.

It is an arithmetic number, because the mean of its divisors is an integer number (2881494).

Almost surely, 2^16053999 is an apocalyptic number.

16053999 is a deficient number, since it is larger than the sum of its proper divisors (6997953).

16053999 is a wasteful number, since it uses less digits than its factorization.

16053999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411657.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 16053999 is about 4006.7441894885. The cubic root of 16053999 is about 252.2673686564.

The spelling of 16053999 in words is "sixteen million, fifty-three thousand, nine hundred ninety-nine".