2666370071 has 2 divisors, whose sum is σ = 2666370072. Its totient is φ = 2666370070.

The previous prime is 2666370061. The next prime is 2666370089. The reversal of 2666370071 is 1700736662.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2666370071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666370011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333185035 + 1333185036.

It is an arithmetic number, because the mean of its divisors is an integer number (1333185036).

Almost surely, 2^2666370071 is an apocalyptic number.

2666370071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666370071 is an equidigital number, since it uses as much as digits as its factorization.

2666370071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 2666370071 is about 51636.9060943818. The cubic root of 2666370071 is about 1386.6711348077.

The spelling of 2666370071 in words is "two billion, six hundred sixty-six million, three hundred seventy thousand, seventy-one".