18182808672 has 192 divisors, whose sum is σ = 56340748800. Its totient is φ = 5131725312.

The previous prime is 18182808671. The next prime is 18182808751. The reversal of 18182808672 is 27680828181.

It is a super-2 number, since 2×18182808672² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18182808671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2729698 + ... + 2736350.

It is an arithmetic number, because the mean of its divisors is an integer number (293441400).

Almost surely, 2^18182808672 is an apocalyptic number.

18182808672 is a gapful number since it is divisible by the number (12) 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 18182808672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28170374400).

18182808672 is an abundant number, since it is smaller than the sum of its proper divisors (38157940128).

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

18182808672 is an equidigital number, since it uses as much as digits as its factorization.

18182808672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770 (or 6748 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 51.

The spelling of 18182808672 in words is "eighteen billion, one hundred eighty-two million, eight hundred eight thousand, six hundred seventy-two".