2646666334 has 8 divisors (see below), whose sum is σ = 4275384120. Its totient is φ = 1221538296.

The previous prime is 2646666331. The next prime is 2646666343. The reversal of 2646666334 is 4336666462.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646666331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50897404 + ... + 50897455.

It is an arithmetic number, because the mean of its divisors is an integer number (534423015).

Almost surely, 2^2646666334 is an apocalyptic number.

2646666334 is a deficient number, since it is larger than the sum of its proper divisors (1628717786).

2646666334 is a wasteful number, since it uses less digits than its factorization.

2646666334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101794874.

The product of its digits is 2239488, while the sum is 46.

The square root of 2646666334 is about 51445.7610887428. The cubic root of 2646666334 is about 1383.2469810648.

The spelling of 2646666334 in words is "two billion, six hundred forty-six million, six hundred sixty-six thousand, three hundred thirty-four".