2668732671 has 16 divisors (see below), whose sum is σ = 3882751488. Its totient is φ = 1617014400.

The previous prime is 2668732643. The next prime is 2668732673. The reversal of 2668732671 is 1762378662.

It is not a de Polignac number, because 2668732671 - 2¹⁷ = 2668601599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2668732671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668732673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179191 + ... + 193511.

It is an arithmetic number, because the mean of its divisors is an integer number (242671968).

Almost surely, 2^2668732671 is an apocalyptic number.

2668732671 is a deficient number, since it is larger than the sum of its proper divisors (1214018817).

2668732671 is a wasteful number, since it uses less digits than its factorization.

2668732671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19982.

The product of its digits is 1016064, while the sum is 48.

The square root of 2668732671 is about 51659.7780773398. The cubic root of 2668732671 is about 1387.0805781052.

The spelling of 2668732671 in words is "two billion, six hundred sixty-eight million, seven hundred thirty-two thousand, six hundred seventy-one".