180340513406867 has 4 divisors (see below), whose sum is σ = 196735105534776. Its totient is φ = 163945921278960.

The previous prime is 180340513406849. The next prime is 180340513406897. The reversal of 180340513406867 is 768604315043081.

It is a happy number.

180340513406867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 180340513406867 - 2³⁰ = 180339439665043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180340513406897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8197296063938 + ... + 8197296063959.

It is an arithmetic number, because the mean of its divisors is an integer number (49183776383694).

Almost surely, 2^{180340513406867} is an apocalyptic number.

180340513406867 is a deficient number, since it is larger than the sum of its proper divisors (16394592127909).

180340513406867 is a wasteful number, since it uses less digits than its factorization.

180340513406867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16394592127908.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 180340513406867 in words is "one hundred eighty trillion, three hundred forty billion, five hundred thirteen million, four hundred six thousand, eight hundred sixty-seven".