180493568 has 18 divisors (see below), whose sum is σ = 360282594. Its totient is φ = 90246656.

The previous prime is 180493561. The next prime is 180493619. The reversal of 180493568 is 865394081.

It can be written as a sum of positive squares in only one way, i.e., 179774464 + 719104 = 13408^2 + 848^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180493561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352271 + ... + 352782.

Almost surely, 2^180493568 is an apocalyptic number.

It is an amenable number.

180493568 is a deficient number, since it is larger than the sum of its proper divisors (179789026).

180493568 is an frugal number, since it uses more digits than its factorization.

180493568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705069 (or 705055 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 180493568 is about 13434.7894661584. The cubic root of 180493568 is about 565.1372188709.

The spelling of 180493568 in words is "one hundred eighty million, four hundred ninety-three thousand, five hundred sixty-eight".