180150166278601 has 2 divisors, whose sum is σ = 180150166278602. Its totient is φ = 180150166278600.

The previous prime is 180150166278497. The next prime is 180150166278623. The reversal of 180150166278601 is 106872661051081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114099761699001 + 66050404579600 = 10681749^2 + 8127140^2 .

It is a cyclic number.

It is not a de Polignac number, because 180150166278601 - 2¹⁷ = 180150166147529 is a prime.

It is not a weakly prime, because it can be changed into another prime (180150166278001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90075083139300 + 90075083139301.

It is an arithmetic number, because the mean of its divisors is an integer number (90075083139301).

Almost surely, 2^{180150166278601} is an apocalyptic number.

It is an amenable number.

180150166278601 is a deficient number, since it is larger than the sum of its proper divisors (1).

180150166278601 is an equidigital number, since it uses as much as digits as its factorization.

180150166278601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 52.

The spelling of 180150166278601 in words is "one hundred eighty trillion, one hundred fifty billion, one hundred sixty-six million, two hundred seventy-eight thousand, six hundred one".