2666331004 has 6 divisors (see below), whose sum is σ = 4666079264. Its totient is φ = 1333165500.

The previous prime is 2666330999. The next prime is 2666331007. The reversal of 2666331004 is 4001336662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666331007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333291372 + ... + 333291379.

Almost surely, 2^2666331004 is an apocalyptic number.

It is an amenable number.

2666331004 is a deficient number, since it is larger than the sum of its proper divisors (1999748260).

2666331004 is a wasteful number, since it uses less digits than its factorization.

2666331004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666582755 (or 666582753 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 2666331004 is about 51636.5278073575. The cubic root of 2666331004 is about 1386.6643623863.

Adding to 2666331004 its reverse (4001336662), we get a palindrome (6667667666).

The spelling of 2666331004 in words is "two billion, six hundred sixty-six million, three hundred thirty-one thousand, four".