2666005626 has 8 divisors (see below), whose sum is σ = 5332011264. Its totient is φ = 888668540.

The previous prime is 2666005571. The next prime is 2666005631. The reversal of 2666005626 is 6265006662.

It is a sphenic number, since it is the product of 3 distinct primes.

2666005626 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222167130 + ... + 222167141.

It is an arithmetic number, because the mean of its divisors is an integer number (666501408).

Almost surely, 2^2666005626 is an apocalyptic number.

2666005626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2666005626 is a wasteful number, since it uses less digits than its factorization.

2666005626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444334276.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 2666005626 is about 51633.3770539948. The cubic root of 2666005626 is about 1386.6079542320.

The spelling of 2666005626 in words is "two billion, six hundred sixty-six million, five thousand, six hundred twenty-six".