16299969 has 16 divisors (see below), whose sum is σ = 25069440. Its totient is φ = 9227520.

The previous prime is 16299947. The next prime is 16299971. The reversal of 16299969 is 96999261.

It is not a de Polignac number, because 16299969 - 2⁷ = 16299841 is a prime.

It is a super-2 number, since 2×16299969² = 531377978801922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16299979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (1566840).

Almost surely, 2^16299969 is an apocalyptic number.

It is an amenable number.

16299969 is a deficient number, since it is larger than the sum of its proper divisors (8769471).

16299969 is a wasteful number, since it uses less digits than its factorization.

16299969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7240.

The product of its digits is 472392, while the sum is 51.

The square root of 16299969 is about 4037.3220084606. The cubic root of 16299969 is about 253.5492086896.

The spelling of 16299969 in words is "sixteen million, two hundred ninety-nine thousand, nine hundred sixty-nine".