180019542016 has 48 divisors (see below), whose sum is σ = 360859491720. Its totient is φ = 89782640640.

The previous prime is 180019541993. The next prime is 180019542023. The reversal of 180019542016 is 610245910081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702351 + ... + 923761.

Almost surely, 2^180019542016 is an apocalyptic number.

180019542016 is a gapful number since it is divisible by the number (16) 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 180019542016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180429745860).

180019542016 is an abundant number, since it is smaller than the sum of its proper divisors (180839949704).

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

180019542016 is an equidigital number, since it uses as much as digits as its factorization.

180019542016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221830 (or 221810 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 180019542016 in words is "one hundred eighty billion, nineteen million, five hundred forty-two thousand, sixteen".