180641066634 has 192 divisors, whose sum is σ = 474187633920. Its totient is φ = 48623984640.

The previous prime is 180641066597. The next prime is 180641066663. The reversal of 180641066634 is 436660146081.

180641066634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 180641066634.

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 95 ways as a sum of consecutive naturals, for example, 19765714 + ... + 19774850.

It is an arithmetic number, because the mean of its divisors is an integer number (2469727260).

Almost surely, 2^180641066634 is an apocalyptic number.

180641066634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 180641066634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237093816960).

180641066634 is an abundant number, since it is smaller than the sum of its proper divisors (293546567286).

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

180641066634 is a wasteful number, since it uses less digits than its factorization.

180641066634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9325 (or 9322 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 180641066634 in words is "one hundred eighty billion, six hundred forty-one million, sixty-six thousand, six hundred thirty-four".