1662533585044 has 12 divisors (see below), whose sum is σ = 2927965200244. Its totient is φ = 825972099264.

The previous prime is 1662533585003. The next prime is 1662533585081. The reversal of 1662533585044 is 4405853352661.

It can be written as a sum of positive squares in 2 ways, for example, as 889871488900 + 772662096144 = 943330^2 + 879012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1662533584982 and 1662533585000.

It is a congruent number.

It is an unprimeable number.

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, 1323672609 + ... + 1323673864.

Almost surely, 2^{1662533585044} is an apocalyptic number.

It is an amenable number.

1662533585044 is a deficient number, since it is larger than the sum of its proper divisors (1265431615200).

1662533585044 is a wasteful number, since it uses less digits than its factorization.

1662533585044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647346634 (or 2647346632 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 1662533585044 in words is "one trillion, six hundred sixty-two billion, five hundred thirty-three million, five hundred eighty-five thousand, forty-four".