18162300000 has 288 divisors, whose sum is σ = 64188954144. Its totient is φ = 4469760000.

The previous prime is 18162299957. The next prime is 18162300017. The reversal of 18162300000 is 326181.

It is a self number, because there is not a number n which added to its sum of digits gives 18162300000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3897672 + ... + 3902328.

It is an arithmetic number, because the mean of its divisors is an integer number (222878313).

Almost surely, 2^18162300000 is an apocalyptic number.

18162300000 is a gapful number since it is divisible by the number (10) 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 18162300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32094477072).

18162300000 is an abundant number, since it is smaller than the sum of its proper divisors (46026654144).

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

18162300000 is an equidigital number, since it uses as much as digits as its factorization.

18162300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708 (or 4680 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 18162300000 its reverse (326181), we get a palindrome (18162626181).

The spelling of 18162300000 in words is "eighteen billion, one hundred sixty-two million, three hundred thousand".