18693116 has 12 divisors (see below), whose sum is σ = 35229432. Its totient is φ = 8627568.

The previous prime is 18693109. The next prime is 18693119. The reversal of 18693116 is 61139681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18693119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179690 + ... + 179793.

It is an arithmetic number, because the mean of its divisors is an integer number (2935786).

Almost surely, 2^18693116 is an apocalyptic number.

It is an amenable number.

18693116 is a deficient number, since it is larger than the sum of its proper divisors (16536316).

18693116 is a wasteful number, since it uses less digits than its factorization.

18693116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359500 (or 359498 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 18693116 is about 4323.5536309846. The cubic root of 18693116 is about 265.3957111717.

The spelling of 18693116 in words is "eighteen million, six hundred ninety-three thousand, one hundred sixteen".