180868741883651 has 2 divisors, whose sum is σ = 180868741883652. Its totient is φ = 180868741883650.

The previous prime is 180868741883611. The next prime is 180868741883729. The reversal of 180868741883651 is 156388147868081.

180868741883651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 180868741883651 - 2²² = 180868737689347 is a prime.

It is not a weakly prime, because it can be changed into another prime (180868741883611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90434370941825 + 90434370941826.

It is an arithmetic number, because the mean of its divisors is an integer number (90434370941826).

Almost surely, 2^{180868741883651} is an apocalyptic number.

180868741883651 is a deficient number, since it is larger than the sum of its proper divisors (1).

180868741883651 is an equidigital number, since it uses as much as digits as its factorization.

180868741883651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 495452160, while the sum is 74.

The spelling of 180868741883651 in words is "one hundred eighty trillion, eight hundred sixty-eight billion, seven hundred forty-one million, eight hundred eighty-three thousand, six hundred fifty-one".