18119010 has 64 divisors (see below), whose sum is σ = 53528832. Its totient is φ = 3822336.

The previous prime is 18118979. The next prime is 18119041. The reversal of 18119010 is 1091181.

It is an interprime number because it is at equal distance from previous prime (18118979) and next prime (18119041).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (836388).

Almost surely, 2^18119010 is an apocalyptic number.

18119010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18119010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26764416).

18119010 is an abundant number, since it is smaller than the sum of its proper divisors (35409822).

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

18119010 is a wasteful number, since it uses less digits than its factorization.

18119010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667.

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 18119010 is about 4256.6430435262. The cubic root of 18119010 is about 262.6504534328.

It can be divided in two parts, 181 and 19010, that added together give a palindrome (19191).

The spelling of 18119010 in words is "eighteen million, one hundred nineteen thousand, ten".