18967482221148 has 48 divisors (see below), whose sum is σ = 49175398863360. Its totient is φ = 6322436865072.

The previous prime is 18967482221141. The next prime is 18967482221161. The reversal of 18967482221148 is 84112228476981.

18967482221148 is a `hidden beast` number, since 1 + 8 + 9 + 6 + 7 + 482 + 2 + 2 + 1 + 148 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18967482221141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12171511 + ... + 13641137.

It is an arithmetic number, because the mean of its divisors is an integer number (1024487476320).

Almost surely, 2^{18967482221148} is an apocalyptic number.

18967482221148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18967482221148 is an abundant number, since it is smaller than the sum of its proper divisors (30207916642212).

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

18967482221148 is a wasteful number, since it uses less digits than its factorization.

18967482221148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589143 (or 1589135 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 63.

The spelling of 18967482221148 in words is "eighteen trillion, nine hundred sixty-seven billion, four hundred eighty-two million, two hundred twenty-one thousand, one hundred forty-eight".