2668326205 has 8 divisors (see below), whose sum is σ = 3390343992. Its totient is φ = 2009092608.

The previous prime is 2668326173. The next prime is 2668326217. The reversal of 2668326205 is 5026238662.

It can be written as a sum of positive squares in 4 ways, for example, as 1046975449 + 1621350756 = 32357^2 + 40266^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2668326205 - 2⁵ = 2668326173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 15695952 + ... + 15696121.

It is an arithmetic number, because the mean of its divisors is an integer number (423792999).

Almost surely, 2^2668326205 is an apocalyptic number.

It is an amenable number.

2668326205 is a deficient number, since it is larger than the sum of its proper divisors (722017787).

2668326205 is a wasteful number, since it uses less digits than its factorization.

2668326205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31392095.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 2668326205 is about 51655.8438610773. The cubic root of 2668326205 is about 1387.0101539514.

The spelling of 2668326205 in words is "two billion, six hundred sixty-eight million, three hundred twenty-six thousand, two hundred five".