2644066346 has 8 divisors (see below), whose sum is σ = 3966338340. Its totient is φ = 1321953568.

The previous prime is 2644066333. The next prime is 2644066349. The reversal of 2644066346 is 6436604462.

It can be written as a sum of positive squares in 2 ways, for example, as 2492505625 + 151560721 = 49925^2 + 12311^2 .

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 (2644066349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19220 + ... + 75216.

Almost surely, 2^2644066346 is an apocalyptic number.

2644066346 is a deficient number, since it is larger than the sum of its proper divisors (1322271994).

2644066346 is a wasteful number, since it uses less digits than its factorization.

2644066346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79608.

The product of its (nonzero) digits is 497664, while the sum is 41.

The square root of 2644066346 is about 51420.4856647621. The cubic root of 2644066346 is about 1382.7938822848.

The spelling of 2644066346 in words is "two billion, six hundred forty-four million, sixty-six thousand, three hundred forty-six".