2644660664462 has 8 divisors (see below), whose sum is σ = 3967269561576. Its totient is φ = 1322237477272.

The previous prime is 2644660664411. The next prime is 2644660664489.

2644660664462 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 2644660664398 and 2644660664407.

It is a congruent number.

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, 46391873 + ... + 46448844.

It is an arithmetic number, because the mean of its divisors is an integer number (495908695197).

Almost surely, 2^{2644660664462} is an apocalyptic number.

2644660664462 is a deficient number, since it is larger than the sum of its proper divisors (1322608897114).

2644660664462 is a wasteful number, since it uses less digits than its factorization.

2644660664462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92854962.

The product of its (nonzero) digits is 47775744, while the sum is 56.

The spelling of 2644660664462 in words is "two trillion, six hundred forty-four billion, six hundred sixty million, six hundred sixty-four thousand, four hundred sixty-two".