261006466327 has 2 divisors, whose sum is σ = 261006466328. Its totient is φ = 261006466326.

The previous prime is 261006466309. The next prime is 261006466349. The reversal of 261006466327 is 723664600162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261006466327 - 2⁷ = 261006466199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (261006466387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130503233163 + 130503233164.

It is an arithmetic number, because the mean of its divisors is an integer number (130503233164).

Almost surely, 2^261006466327 is an apocalyptic number.

261006466327 is a deficient number, since it is larger than the sum of its proper divisors (1).

261006466327 is an equidigital number, since it uses as much as digits as its factorization.

261006466327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 261006466327 in words is "two hundred sixty-one billion, six million, four hundred sixty-six thousand, three hundred twenty-seven".