2666068428 has 24 divisors (see below), whose sum is σ = 6242972400. Its totient is φ = 885525760.

The previous prime is 2666068421. The next prime is 2666068439. The reversal of 2666068428 is 8248606662.

It is not an unprimeable number, because it can be changed into a prime (2666068421) by changing a digit.

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, 391953 + ... + 398696.

It is an arithmetic number, because the mean of its divisors is an integer number (260123850).

Almost surely, 2^2666068428 is an apocalyptic number.

It is an amenable number.

2666068428 is an abundant number, since it is smaller than the sum of its proper divisors (3576903972).

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

2666068428 is a wasteful number, since it uses less digits than its factorization.

2666068428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790937 (or 790935 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The square root of 2666068428 is about 51633.9852035459. The cubic root of 2666068428 is about 1386.6188420646.

The spelling of 2666068428 in words is "two billion, six hundred sixty-six million, sixty-eight thousand, four hundred twenty-eight".