16233697 has 4 divisors (see below), whose sum is σ = 16382740. Its totient is φ = 16084656.

The previous prime is 16233647. The next prime is 16233703. The reversal of 16233697 is 79633261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4393216 + 11840481 = 2096^2 + 3441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16233697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16233617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74358 + ... + 74575.

It is an arithmetic number, because the mean of its divisors is an integer number (4095685).

Almost surely, 2^16233697 is an apocalyptic number.

It is an amenable number.

16233697 is a deficient number, since it is larger than the sum of its proper divisors (149043).

16233697 is a wasteful number, since it uses less digits than its factorization.

16233697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149042.

The product of its digits is 40824, while the sum is 37.

The square root of 16233697 is about 4029.1062284333. The cubic root of 16233697 is about 253.2051172902.

The spelling of 16233697 in words is "sixteen million, two hundred thirty-three thousand, six hundred ninety-seven".