16418742 has 16 divisors (see below), whose sum is σ = 33011712. Its totient is φ = 5443880.

The previous prime is 16418741. The next prime is 16418749. The reversal of 16418742 is 24781461.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16418741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6018 + ... + 8309.

It is an arithmetic number, because the mean of its divisors is an integer number (2063232).

Almost surely, 2^16418742 is an apocalyptic number.

16418742 is an abundant number, since it is smaller than the sum of its proper divisors (16592970).

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

16418742 is a wasteful number, since it uses less digits than its factorization.

16418742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14523.

The product of its digits is 10752, while the sum is 33.

The square root of 16418742 is about 4052.0046890397. The cubic root of 16418742 is about 254.1635646431.

The spelling of 16418742 in words is "sixteen million, four hundred eighteen thousand, seven hundred forty-two".