180747537312 has 96 divisors (see below), whose sum is σ = 488855412864. Its totient is φ = 58431974400.

The previous prime is 180747537307. The next prime is 180747537323. The reversal of 180747537312 is 213735747081.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 1022862 + ... + 1186482.

It is an arithmetic number, because the mean of its divisors is an integer number (5092243884).

Almost surely, 2^180747537312 is an apocalyptic number.

180747537312 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 180747537312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244427706432).

180747537312 is an abundant number, since it is smaller than the sum of its proper divisors (308107875552).

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

180747537312 is a wasteful number, since it uses less digits than its factorization.

180747537312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163982 (or 163974 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 180747537312 in words is "one hundred eighty billion, seven hundred forty-seven million, five hundred thirty-seven thousand, three hundred twelve".