3661742651673 has 16 divisors (see below), whose sum is σ = 5169994568640. Its totient is φ = 2297352669696.

The previous prime is 3661742651659. The next prime is 3661742651701. The reversal of 3661742651673 is 3761562471663.

3661742651673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3661742651673 - 2³⁸ = 3386864744729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3661742651653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2741515 + ... + 3852192.

It is an arithmetic number, because the mean of its divisors is an integer number (323124660540).

Almost surely, 2^{3661742651673} is an apocalyptic number.

It is an amenable number.

3661742651673 is a deficient number, since it is larger than the sum of its proper divisors (1508251916967).

3661742651673 is a wasteful number, since it uses less digits than its factorization.

3661742651673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604616.

The product of its digits is 22861440, while the sum is 57.

The spelling of 3661742651673 in words is "three trillion, six hundred sixty-one billion, seven hundred forty-two million, six hundred fifty-one thousand, six hundred seventy-three".