2066244644602 has 4 divisors (see below), whose sum is σ = 3099366966906. Its totient is φ = 1033122322300.

The previous prime is 2066244644509. The next prime is 2066244644623. The reversal of 2066244644602 is 2064464426602.

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., 2055756631681 + 10488012921 = 1433791^2 + 102411^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516561161149 + ... + 516561161152.

Almost surely, 2^{2066244644602} is an apocalyptic number.

2066244644602 is a deficient number, since it is larger than the sum of its proper divisors (1033122322304).

2066244644602 is a wasteful number, since it uses less digits than its factorization.

2066244644602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033122322303.

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 2066244644602 in words is "two trillion, sixty-six billion, two hundred forty-four million, six hundred forty-four thousand, six hundred two".