16995393 has 32 divisors (see below), whose sum is σ = 27141120. Its totient is φ = 10471680.

The previous prime is 16995353. The next prime is 16995397. The reversal of 16995393 is 39359961.

It is not a de Polignac number, because 16995393 - 2⁹ = 16994881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16995397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27696 + ... + 28302.

It is an arithmetic number, because the mean of its divisors is an integer number (848160).

Almost surely, 2^16995393 is an apocalyptic number.

It is an amenable number.

16995393 is a deficient number, since it is larger than the sum of its proper divisors (10145727).

16995393 is a wasteful number, since it uses less digits than its factorization.

16995393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 688 counting only the distinct ones).

The product of its digits is 196830, while the sum is 45.

The square root of 16995393 is about 4122.5469069496. The cubic root of 16995393 is about 257.1049297236.

The spelling of 16995393 in words is "sixteen million, nine hundred ninety-five thousand, three hundred ninety-three".