2668410071 has 4 divisors (see below), whose sum is σ = 2668538712. Its totient is φ = 2668281432.

The previous prime is 2668410061. The next prime is 2668410079. The reversal of 2668410071 is 1700148662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2668410071 - 2¹⁰ = 2668409047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668410079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25325 + ... + 77318.

It is an arithmetic number, because the mean of its divisors is an integer number (667134678).

Almost surely, 2^2668410071 is an apocalyptic number.

2668410071 is a deficient number, since it is larger than the sum of its proper divisors (128641).

2668410071 is a wasteful number, since it uses less digits than its factorization.

2668410071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128640.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2668410071 is about 51656.6556311963. The cubic root of 2668410071 is about 1387.0246851302.

The spelling of 2668410071 in words is "two billion, six hundred sixty-eight million, four hundred ten thousand, seventy-one".