618243863010663 has 32 divisors (see below), whose sum is σ = 840857544838080. Its totient is φ = 403914537861120.

The previous prime is 618243863010577. The next prime is 618243863010679. The reversal of 618243863010663 is 366010368342816.

It is not a de Polignac number, because 618243863010663 - 2¹⁰ = 618243863009639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618243863015663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7705565595 + ... + 7705645827.

It is an arithmetic number, because the mean of its divisors is an integer number (26276798276190).

Almost surely, 2^{618243863010663} is an apocalyptic number.

618243863010663 is a deficient number, since it is larger than the sum of its proper divisors (222613681827417).

618243863010663 is a wasteful number, since it uses less digits than its factorization.

618243863010663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136179.

The product of its (nonzero) digits is 17915904, while the sum is 57.

The spelling of 618243863010663 in words is "six hundred eighteen trillion, two hundred forty-three billion, eight hundred sixty-three million, ten thousand, six hundred sixty-three".