18841016 has 16 divisors (see below), whose sum is σ = 35380800. Its totient is φ = 9406144.

The previous prime is 18840967. The next prime is 18841019. The reversal of 18841016 is 61014881.

It is a self number, because there is not a number n which added to its sum of digits gives 18841016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18841019) 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, 5540 + ... + 8268.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^18841016 is an apocalyptic number.

It is an amenable number.

18841016 is a deficient number, since it is larger than the sum of its proper divisors (16539784).

18841016 is a wasteful number, since it uses less digits than its factorization.

18841016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598 (or 3594 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 18841016 is about 4340.6239182864. The cubic root of 18841016 is about 266.0938105435.

Adding to 18841016 its reverse (61014881), we get a palindrome (79855897).

The spelling of 18841016 in words is "eighteen million, eight hundred forty-one thousand, sixteen".