16993327 has 8 divisors (see below), whose sum is σ = 18353664. Its totient is φ = 15640608.

The previous prime is 16993321. The next prime is 16993349. The reversal of 16993327 is 72339961.

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

It is a cyclic number.

It is not a de Polignac number, because 16993327 - 2⁷ = 16993199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16993327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16993321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3273 + ... + 6685.

It is an arithmetic number, because the mean of its divisors is an integer number (2294208).

Almost surely, 2^16993327 is an apocalyptic number.

16993327 is a deficient number, since it is larger than the sum of its proper divisors (1360337).

16993327 is a wasteful number, since it uses less digits than its factorization.

16993327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809.

The product of its digits is 61236, while the sum is 40.

The square root of 16993327 is about 4122.2963260785. The cubic root of 16993327 is about 257.0945112078.

The spelling of 16993327 in words is "sixteen million, nine hundred ninety-three thousand, three hundred twenty-seven".