16418994 has 8 divisors (see below), whose sum is σ = 32838000. Its totient is φ = 5472996.

The previous prime is 16418993. The next prime is 16419019. The reversal of 16418994 is 49981461.

16418994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

16418994 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16418993) 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, 1368244 + ... + 1368255.

It is an arithmetic number, because the mean of its divisors is an integer number (4104750).

Almost surely, 2^16418994 is an apocalyptic number.

16418994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16418994 is a wasteful number, since it uses less digits than its factorization.

16418994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736504.

The product of its digits is 62208, while the sum is 42.

The square root of 16418994 is about 4052.0357846396. The cubic root of 16418994 is about 254.1648649638.

The spelling of 16418994 in words is "sixteen million, four hundred eighteen thousand, nine hundred ninety-four".