72466066171 has 2 divisors, whose sum is σ = 72466066172. Its totient is φ = 72466066170.

The previous prime is 72466066133. The next prime is 72466066193. The reversal of 72466066171 is 17166066427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72466066171 - 2¹⁷ = 72465935099 is a prime.

It is not a weakly prime, because it can be changed into another prime (72466060171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36233033085 + 36233033086.

It is an arithmetic number, because the mean of its divisors is an integer number (36233033086).

Almost surely, 2^72466066171 is an apocalyptic number.

72466066171 is a deficient number, since it is larger than the sum of its proper divisors (1).

72466066171 is an equidigital number, since it uses as much as digits as its factorization.

72466066171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 72466066171 in words is "seventy-two billion, four hundred sixty-six million, sixty-six thousand, one hundred seventy-one".