180614384090081 has 2 divisors, whose sum is σ = 180614384090082. Its totient is φ = 180614384090080.

The previous prime is 180614384090047. The next prime is 180614384090131. The reversal of 180614384090081 is 180090483416081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180443232263056 + 171151827025 = 13432916^2 + 413705^2 .

It is a cyclic number.

It is not a de Polignac number, because 180614384090081 - 2²² = 180614379895777 is a prime.

It is a super-2 number, since 2×180614384090081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (180614384090281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90307192045040 + 90307192045041.

It is an arithmetic number, because the mean of its divisors is an integer number (90307192045041).

Almost surely, 2^{180614384090081} is an apocalyptic number.

It is an amenable number.

180614384090081 is a deficient number, since it is larger than the sum of its proper divisors (1).

180614384090081 is an equidigital number, since it uses as much as digits as its factorization.

180614384090081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 180614384090081 in words is "one hundred eighty trillion, six hundred fourteen billion, three hundred eighty-four million, ninety thousand, eighty-one".