180334981632 has 320 divisors, whose sum is σ = 565517804544. Its totient is φ = 50536120320.

The previous prime is 180334981627. The next prime is 180334981681. The reversal of 180334981632 is 236189433081.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10514568 + ... + 10531704.

Almost surely, 2^180334981632 is an apocalyptic number.

180334981632 is a gapful number since it is divisible by the number (12) 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 180334981632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282758902272).

180334981632 is an abundant number, since it is smaller than the sum of its proper divisors (385182822912).

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

180334981632 is a wasteful number, since it uses less digits than its factorization.

180334981632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17219 (or 17203 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 180334981632 in words is "one hundred eighty billion, three hundred thirty-four million, nine hundred eighty-one thousand, six hundred thirty-two".