16418358 has 48 divisors (see below), whose sum is σ = 39238992. Its totient is φ = 4920000.

The previous prime is 16418351. The next prime is 16418371. The reversal of 16418358 is 85381461.

16418358 is a `hidden beast` number, since 1 + 641 + 8 + 3 + 5 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16418351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19588 + ... + 20408.

It is an arithmetic number, because the mean of its divisors is an integer number (817479).

Almost surely, 2^16418358 is an apocalyptic number.

16418358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16418358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19619496).

16418358 is an abundant number, since it is smaller than the sum of its proper divisors (22820634).

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

16418358 is a wasteful number, since it uses less digits than its factorization.

16418358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 938 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 16418358 is about 4051.9573048096. The cubic root of 16418358 is about 254.1615831764.

It can be divided in two parts, 1641 and 8358, that added together give a palindrome (9999).

The spelling of 16418358 in words is "sixteen million, four hundred eighteen thousand, three hundred fifty-eight".