180530863266 has 16 divisors (see below), whose sum is σ = 388835705664. Its totient is φ = 55547957904.

The previous prime is 180530863229. The next prime is 180530863421. The reversal of 180530863266 is 662368035081.

It is a Curzon 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, 1157249046 + ... + 1157249201.

It is an arithmetic number, because the mean of its divisors is an integer number (24302231604).

Almost surely, 2^180530863266 is an apocalyptic number.

180530863266 is an abundant number, since it is smaller than the sum of its proper divisors (208304842398).

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

180530863266 is a wasteful number, since it uses less digits than its factorization.

180530863266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314498265.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 180530863266 in words is "one hundred eighty billion, five hundred thirty million, eight hundred sixty-three thousand, two hundred sixty-six".