16306693 has 16 divisors (see below), whose sum is σ = 18688320. Its totient is φ = 14103936.

The previous prime is 16306687. The next prime is 16306733. The reversal of 16306693 is 39660361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16306693 - 2⁹ = 16306181 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 (16306193) 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 15 ways as a sum of consecutive naturals, for example, 26121 + ... + 26737.

It is an arithmetic number, because the mean of its divisors is an integer number (1168020).

Almost surely, 2^16306693 is an apocalyptic number.

16306693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16306693 is a deficient number, since it is larger than the sum of its proper divisors (2381627).

16306693 is a wasteful number, since it uses less digits than its factorization.

16306693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 16306693 is about 4038.1546528086. The cubic root of 16306693 is about 253.5840682754.

The spelling of 16306693 in words is "sixteen million, three hundred six thousand, six hundred ninety-three".