16940613 has 8 divisors (see below), whose sum is σ = 22682176. Its totient is φ = 11246400.

The previous prime is 16940603. The next prime is 16940617. The reversal of 16940613 is 31604961.

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

It is not a de Polignac number, because 16940613 - 2¹⁰ = 16939589 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 (16940617) 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, 10993 + ... + 12438.

It is an arithmetic number, because the mean of its divisors is an integer number (2835272).

Almost surely, 2^16940613 is an apocalyptic number.

It is an amenable number.

16940613 is a deficient number, since it is larger than the sum of its proper divisors (5741563).

16940613 is a wasteful number, since it uses less digits than its factorization.

16940613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23675.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 16940613 is about 4115.8975934782. The cubic root of 16940613 is about 256.8283965988.

The spelling of 16940613 in words is "sixteen million, nine hundred forty thousand, six hundred thirteen".