180680616953 has 2 divisors, whose sum is σ = 180680616954. Its totient is φ = 180680616952.

The previous prime is 180680616937. The next prime is 180680616973. The reversal of 180680616953 is 359616086081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170823502864 + 9857114089 = 413308^2 + 99283^2 .

It is a cyclic number.

It is not a de Polignac number, because 180680616953 - 2⁴ = 180680616937 is a prime.

It is a super-2 number, since 2×180680616953² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 180680616895 and 180680616904.

It is not a weakly prime, because it can be changed into another prime (180680616913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90340308476 + 90340308477.

It is an arithmetic number, because the mean of its divisors is an integer number (90340308477).

Almost surely, 2^180680616953 is an apocalyptic number.

It is an amenable number.

180680616953 is a deficient number, since it is larger than the sum of its proper divisors (1).

180680616953 is an equidigital number, since it uses as much as digits as its factorization.

180680616953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 180680616953 in words is "one hundred eighty billion, six hundred eighty million, six hundred sixteen thousand, nine hundred fifty-three".