180428527616 has 48 divisors (see below), whose sum is σ = 376454660400. Its totient is φ = 86291881984.

The previous prime is 180428527589. The next prime is 180428527619. The reversal of 180428527616 is 616725824081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180428527619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868111 + ... + 1962318.

It is an arithmetic number, because the mean of its divisors is an integer number (7842805425).

Almost surely, 2^180428527616 is an apocalyptic number.

180428527616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180428527616 is an abundant number, since it is smaller than the sum of its proper divisors (196026132784).

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

180428527616 is an equidigital number, since it uses as much as digits as its factorization.

180428527616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830474 (or 3830454 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 180428527616 in words is "one hundred eighty billion, four hundred twenty-eight million, five hundred twenty-seven thousand, six hundred sixteen".