16006693 has 4 divisors (see below), whose sum is σ = 16020928. Its totient is φ = 15992460.

The previous prime is 16006667. The next prime is 16006703. The reversal of 16006693 is 39660061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16006693 - 2⁹ = 16006181 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 (16006663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5271 + ... + 7732.

It is an arithmetic number, because the mean of its divisors is an integer number (4005232).

Almost surely, 2^16006693 is an apocalyptic number.

It is an amenable number.

16006693 is a deficient number, since it is larger than the sum of its proper divisors (14235).

16006693 is a wasteful number, since it uses less digits than its factorization.

16006693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14234.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 16006693 is about 4000.8365375256. The cubic root of 16006693 is about 252.0193411291.

The spelling of 16006693 in words is "sixteen million, six thousand, six hundred ninety-three".