2666558204 has 12 divisors (see below), whose sum is σ = 4667266464. Its totient is φ = 1333053504.

The previous prime is 2666558201. The next prime is 2666558221. The reversal of 2666558204 is 4028556662.

It is a super-2 number, since 2×2666558204² = 14221065310639411232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666558201) 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 3 ways as a sum of consecutive naturals, for example, 28244 + ... + 78299.

It is an arithmetic number, because the mean of its divisors is an integer number (388938872).

Almost surely, 2^2666558204 is an apocalyptic number.

It is an amenable number.

2666558204 is a deficient number, since it is larger than the sum of its proper divisors (2000708260).

2666558204 is a wasteful number, since it uses less digits than its factorization.

2666558204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112804 (or 112802 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 2666558204 is about 51638.7277534991. The cubic root of 2666558204 is about 1386.7037474932.

The spelling of 2666558204 in words is "two billion, six hundred sixty-six million, five hundred fifty-eight thousand, two hundred four".