180641971380 has 96 divisors (see below), whose sum is σ = 544855457664. Its totient is φ = 44453435904.

The previous prime is 180641971343. The next prime is 180641971403. The reversal of 180641971380 is 83179146081.

180641971380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 2975287 + ... + 3035393.

It is an arithmetic number, because the mean of its divisors is an integer number (5675577684).

Almost surely, 2^180641971380 is an apocalyptic number.

180641971380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180641971380 is an abundant number, since it is smaller than the sum of its proper divisors (364213486284).

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

180641971380 is a wasteful number, since it uses less digits than its factorization.

180641971380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63985 (or 63983 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 180641971380 in words is "one hundred eighty billion, six hundred forty-one million, nine hundred seventy-one thousand, three hundred eighty".