2666426604 has 24 divisors (see below), whose sum is σ = 6314524608. Its totient is φ = 875542800.

The previous prime is 2666426551. The next prime is 2666426713. The reversal of 2666426604 is 4066246662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657422 + ... + 1659029.

It is an arithmetic number, because the mean of its divisors is an integer number (263105192).

Almost surely, 2^2666426604 is an apocalyptic number.

It is an amenable number.

2666426604 is an abundant number, since it is smaller than the sum of its proper divisors (3648098004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2666426604 is a wasteful number, since it uses less digits than its factorization.

2666426604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316525 (or 3316523 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The square root of 2666426604 is about 51637.4535003422. The cubic root of 2666426604 is about 1386.6809349134.

The spelling of 2666426604 in words is "two billion, six hundred sixty-six million, four hundred twenty-six thousand, six hundred four".