2646664422002 has 8 divisors (see below), whose sum is σ = 4142605182336. Its totient is φ = 1265796027892.

The previous prime is 2646664421927. The next prime is 2646664422023. The reversal of 2646664422002 is 2002244666462.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28768091498 + ... + 28768091589.

It is an arithmetic number, because the mean of its divisors is an integer number (517825647792).

Almost surely, 2^{2646664422002} is an apocalyptic number.

2646664422002 is a deficient number, since it is larger than the sum of its proper divisors (1495940760334).

2646664422002 is a wasteful number, since it uses less digits than its factorization.

2646664422002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57536183112.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 2646664422002 in words is "two trillion, six hundred forty-six billion, six hundred sixty-four million, four hundred twenty-two thousand, two".