2666520002 has 48 divisors (see below), whose sum is σ = 4321454400. Its totient is φ = 1233514656.

The previous prime is 2666519981. The next prime is 2666520013. The reversal of 2666520002 is 2000256662.

It is a super-2 number, since 2×2666520002² = 14220657842132160008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9626288 + ... + 9626564.

It is an arithmetic number, because the mean of its divisors is an integer number (90030300).

Almost surely, 2^2666520002 is an apocalyptic number.

2666520002 is a deficient number, since it is larger than the sum of its proper divisors (1654934398).

2666520002 is a wasteful number, since it uses less digits than its factorization.

2666520002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2666520002 is about 51638.3578553772. The cubic root of 2666520002 is about 1386.6971253351.

Adding to 2666520002 its reverse (2000256662), we get a palindrome (4666776664).

The spelling of 2666520002 in words is "two billion, six hundred sixty-six million, five hundred twenty thousand, two".