18751068 has 96 divisors (see below), whose sum is σ = 58867200. Its totient is φ = 5038848.

The previous prime is 18751013. The next prime is 18751087. The reversal of 18751068 is 86015781.

18751068 is a `hidden beast` number, since 1 + 87 + 510 + 68 = 666.

It is a super-2 number, since 2×18751068² = 703205102281248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12123 + ... + 13581.

It is an arithmetic number, because the mean of its divisors is an integer number (613200).

Almost surely, 2^18751068 is an apocalyptic number.

18751068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18751068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29433600).

18751068 is an abundant number, since it is smaller than the sum of its proper divisors (40116132).

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

18751068 is a wasteful number, since it uses less digits than its factorization.

18751068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 18751068 is about 4330.2503391836. The cubic root of 18751068 is about 265.6696862859.

It can be divided in two parts, 187510 and 68, that added together give a triangular number (187578 = T₆₁₂).

The spelling of 18751068 in words is "eighteen million, seven hundred fifty-one thousand, sixty-eight".