2666530266 has 8 divisors (see below), whose sum is σ = 5333060544. Its totient is φ = 888843420.

The previous prime is 2666530261. The next prime is 2666530303. The reversal of 2666530266 is 6620356662.

2666530266 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

2666530266 is an admirable number.

It is a super-2 number, since 2×2666530266² = 14220767318988061512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666530261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222210850 + ... + 222210861.

It is an arithmetic number, because the mean of its divisors is an integer number (666632568).

Almost surely, 2^2666530266 is an apocalyptic number.

2666530266 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.

2666530266 is a wasteful number, since it uses less digits than its factorization.

2666530266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444421716.

The product of its (nonzero) digits is 466560, while the sum is 42.

The square root of 2666530266 is about 51638.4572387673. The cubic root of 2666530266 is about 1386.6989045631.

The spelling of 2666530266 in words is "two billion, six hundred sixty-six million, five hundred thirty thousand, two hundred sixty-six".