180469643648 has 384 divisors, whose sum is σ = 447274275840. Its totient is φ = 72208281600.

The previous prime is 180469643639. The next prime is 180469643671. The reversal of 180469643648 is 846346964081.

It is a super-3 number, since 3×180469643648³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 855306263 + ... + 855306473.

It is an arithmetic number, because the mean of its divisors is an integer number (1164776760).

Almost surely, 2^180469643648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180469643648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223637137920).

180469643648 is an abundant number, since it is smaller than the sum of its proper divisors (266804632192).

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

180469643648 is a wasteful number, since it uses less digits than its factorization.

180469643648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 59.

The spelling of 180469643648 in words is "one hundred eighty billion, four hundred sixty-nine million, six hundred forty-three thousand, six hundred forty-eight".