6602644044466 has 4 divisors (see below), whose sum is σ = 9903966066702. Its totient is φ = 3301322022232.

The previous prime is 6602644044407. The next prime is 6602644044473. The reversal of 6602644044466 is 6644404462066.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5280707484441 + 1321936560025 = 2297979^2 + 1149755^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650661011115 + ... + 1650661011118.

Almost surely, 2^{6602644044466} is an apocalyptic number.

6602644044466 is a deficient number, since it is larger than the sum of its proper divisors (3301322022236).

6602644044466 is a wasteful number, since it uses less digits than its factorization.

6602644044466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301322022235.

The product of its (nonzero) digits is 15925248, while the sum is 52.

The spelling of 6602644044466 in words is "six trillion, six hundred two billion, six hundred forty-four million, forty-four thousand, four hundred sixty-six".