180739568252 has 24 divisors (see below), whose sum is σ = 324862735680. Its totient is φ = 87921944640.

The previous prime is 180739568213. The next prime is 180739568327. The reversal of 180739568252 is 252865937081.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3487949 + ... + 3539387.

It is an arithmetic number, because the mean of its divisors is an integer number (13535947320).

Almost surely, 2^180739568252 is an apocalyptic number.

It is an amenable number.

180739568252 is a deficient number, since it is larger than the sum of its proper divisors (144123167428).

180739568252 is a wasteful number, since it uses less digits than its factorization.

180739568252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75221 (or 75219 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 180739568252 in words is "one hundred eighty billion, seven hundred thirty-nine million, five hundred sixty-eight thousand, two hundred fifty-two".