18982266226560 has 3072 divisors, whose sum is σ = 89218263214080. Its totient is φ = 3742560681984.

The previous prime is 18982266226559. The next prime is 18982266226601. The reversal of 18982266226560 is 6562266228981.

18982266226560 is a `hidden beast` number, since 1 + 8 + 9 + 8 + 2 + 2 + 6 + 62 + 2 + 6 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 61831485927 + ... + 61831486233.

It is an arithmetic number, because the mean of its divisors is an integer number (29042403390).

Almost surely, 2^{18982266226560} is an apocalyptic number.

18982266226560 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 18982266226560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44609131607040).

18982266226560 is an abundant number, since it is smaller than the sum of its proper divisors (70235996987520).

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

18982266226560 is a wasteful number, since it uses less digits than its factorization.

18982266226560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 18982266226560 in words is "eighteen trillion, nine hundred eighty-two billion, two hundred sixty-six million, two hundred twenty-six thousand, five hundred sixty".