2864020826666 has 8 divisors (see below), whose sum is σ = 4296041032260. Its totient is φ = 1432007149248.

The previous prime is 2864020826663. The next prime is 2864020826677. The reversal of 2864020826666 is 6666280204682.

2864020826666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2862271830625 + 1748996041 = 1691825^2 + 41821^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2864020826663) 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, 326321 + ... + 2415476.

Almost surely, 2^{2864020826666} is an apocalyptic number.

2864020826666 is a deficient number, since it is larger than the sum of its proper divisors (1432020205594).

2864020826666 is a wasteful number, since it uses less digits than its factorization.

2864020826666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264088.

The product of its (nonzero) digits is 15925248, while the sum is 56.

The spelling of 2864020826666 in words is "two trillion, eight hundred sixty-four billion, twenty million, eight hundred twenty-six thousand, six hundred sixty-six".