2666534208 has 56 divisors (see below), whose sum is σ = 7597920288. Its totient is φ = 820471296.

The previous prime is 2666534203. The next prime is 2666534231. The reversal of 2666534208 is 8024356662.

It is a happy number.

It is a super-2 number, since 2×2666534208² = 14220809364868374528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2666534208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666534203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531666 + ... + 536657.

It is an arithmetic number, because the mean of its divisors is an integer number (135677148).

Almost surely, 2^2666534208 is an apocalyptic number.

It is an amenable number.

2666534208 is an abundant number, since it is smaller than the sum of its proper divisors (4931386080).

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

2666534208 is a wasteful number, since it uses less digits than its factorization.

2666534208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068351 (or 1068341 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 2666534208 is about 51638.4954079803. The cubic root of 2666534208 is about 1386.6995878936.

The spelling of 2666534208 in words is "two billion, six hundred sixty-six million, five hundred thirty-four thousand, two hundred eight".