18091069476480 has 6912 divisors, whose sum is σ = 95716226188800. Its totient is φ = 3196409610240.

The previous prime is 18091069476437. The next prime is 18091069476481. The reversal of 18091069476480 is 8467496019081.

18091069476480 is a `hidden beast` number, since 1 + 8 + 0 + 9 + 106 + 9 + 47 + 6 + 480 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18091069476481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 863 ways as a sum of consecutive naturals, for example, 384916371817 + ... + 384916371863.

It is an arithmetic number, because the mean of its divisors is an integer number (13847833650).

Almost surely, 2^{18091069476480} is an apocalyptic number.

18091069476480 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 18091069476480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47858113094400).

18091069476480 is an abundant number, since it is smaller than the sum of its proper divisors (77625156712320).

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

18091069476480 is a wasteful number, since it uses less digits than its factorization.

18091069476480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 18091069476480 in words is "eighteen trillion, ninety-one billion, sixty-nine million, four hundred seventy-six thousand, four hundred eighty".