18922056833484 has 288 divisors, whose sum is σ = 57124997529600. Its totient is φ = 5166868331520.

The previous prime is 18922056833467. The next prime is 18922056833497. The reversal of 18922056833484 is 48433865022981.

18922056833484 is a `hidden beast` number, since 1 + 8 + 9 + 2 + 20 + 56 + 83 + 3 + 484 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 407419704 + ... + 407466144.

Almost surely, 2^{18922056833484} is an apocalyptic number.

18922056833484 is a gapful number since it is divisible by the number (14) 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 18922056833484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28562498764800).

18922056833484 is an abundant number, since it is smaller than the sum of its proper divisors (38202940696116).

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

18922056833484 is a wasteful number, since it uses less digits than its factorization.

18922056833484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47053 (or 47048 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 63.

The spelling of 18922056833484 in words is "eighteen trillion, nine hundred twenty-two billion, fifty-six million, eight hundred thirty-three thousand, four hundred eighty-four".