18241446672 has 160 divisors (see below), whose sum is σ = 53161954560. Its totient is φ = 5988003840.

The previous prime is 18241446659. The next prime is 18241446673. The reversal of 18241446672 is 27664414281.

18241446672 is a `hidden beast` number, since 1 + 82 + 41 + 4 + 466 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (18241446673) 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, 8764672 + ... + 8766752.

It is an arithmetic number, because the mean of its divisors is an integer number (332262216).

Almost surely, 2^18241446672 is an apocalyptic number.

18241446672 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 18241446672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26580977280).

18241446672 is an abundant number, since it is smaller than the sum of its proper divisors (34920507888).

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

18241446672 is a wasteful number, since it uses less digits than its factorization.

18241446672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2386 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The spelling of 18241446672 in words is "eighteen billion, two hundred forty-one million, four hundred forty-six thousand, six hundred seventy-two".