180609291368 has 32 divisors (see below), whose sum is σ = 370026956160. Its totient is φ = 81962052480.

The previous prime is 180609291361. The next prime is 180609291391. The reversal of 180609291368 is 863192906081.

It is a super-2 number, since 2×180609291368² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (180609291361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608896 + ... + 1717487.

It is an arithmetic number, because the mean of its divisors is an integer number (11563342380).

Almost surely, 2^180609291368 is an apocalyptic number.

It is an amenable number.

180609291368 is an abundant number, since it is smaller than the sum of its proper divisors (189417664792).

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

180609291368 is a wasteful number, since it uses less digits than its factorization.

180609291368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327017 (or 3327013 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 180609291368 in words is "one hundred eighty billion, six hundred nine million, two hundred ninety-one thousand, three hundred sixty-eight".