16693234 has 4 divisors (see below), whose sum is σ = 25039854. Its totient is φ = 8346616.

The previous prime is 16693231. The next prime is 16693249. The reversal of 16693234 is 43239661.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 14085009 + 2608225 = 3753^2 + 1615^2 .

It is a super-2 number, since 2×16693234² = 557328122757512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16693234.

It is not an unprimeable number, because it can be changed into a prime (16693231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4173307 + ... + 4173310.

Almost surely, 2^16693234 is an apocalyptic number.

16693234 is a deficient number, since it is larger than the sum of its proper divisors (8346620).

16693234 is an equidigital number, since it uses as much as digits as its factorization.

16693234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8346619.

The product of its digits is 23328, while the sum is 34.

The square root of 16693234 is about 4085.7354295157. The cubic root of 16693234 is about 255.5721307320.

The spelling of 16693234 in words is "sixteen million, six hundred ninety-three thousand, two hundred thirty-four".