2666304894 has 32 divisors (see below), whose sum is σ = 5822440704. Its totient is φ = 807270080.

The previous prime is 2666304881. The next prime is 2666304911. The reversal of 2666304894 is 4984036662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61807 + ... + 95669.

It is an arithmetic number, because the mean of its divisors is an integer number (181951272).

Almost surely, 2^2666304894 is an apocalyptic number.

2666304894 is an abundant number, since it is smaller than the sum of its proper divisors (3156135810).

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

2666304894 is a wasteful number, since it uses less digits than its factorization.

2666304894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35072.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The square root of 2666304894 is about 51636.2749818381. The cubic root of 2666304894 is about 1386.6598360759.

The spelling of 2666304894 in words is "two billion, six hundred sixty-six million, three hundred four thousand, eight hundred ninety-four".