18707016 has 32 divisors (see below), whose sum is σ = 47203200. Its totient is φ = 6177600.

The previous prime is 18706997. The next prime is 18707023. The reversal of 18707016 is 61070781.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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, 960 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (1475100).

Almost surely, 2^18707016 is an apocalyptic number.

It is an amenable number.

18707016 is an abundant number, since it is smaller than the sum of its proper divisors (28496184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18707016 is a wasteful number, since it uses less digits than its factorization.

18707016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269 (or 7265 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 18707016 is about 4325.1608062591. The cubic root of 18707016 is about 265.4614766724.

Adding to 18707016 its reverse (61070781), we get a palindrome (79777797).

The spelling of 18707016 in words is "eighteen million, seven hundred seven thousand, sixteen".