180795597081 has 32 divisors (see below), whose sum is σ = 265996569600. Its totient is φ = 108321259200.

The previous prime is 180795597061. The next prime is 180795597097.

It is a happy number.

180795597081 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 180795597081 - 2¹⁴ = 180795580697 is a prime.

It is a super-2 number, since 2×180795597081² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (180795597061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 950356 + ... + 1124618.

It is an arithmetic number, because the mean of its divisors is an integer number (8312392800).

Almost surely, 2^180795597081 is an apocalyptic number.

180795597081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

180795597081 is a deficient number, since it is larger than the sum of its proper divisors (85200972519).

180795597081 is a wasteful number, since it uses less digits than its factorization.

180795597081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174637.

The product of its (nonzero) digits is 6350400, while the sum is 60.

The spelling of 180795597081 in words is "one hundred eighty billion, seven hundred ninety-five million, five hundred ninety-seven thousand, eighty-one".