663520075041 has 16 divisors (see below), whose sum is σ = 891136537664. Its totient is φ = 439131357504.

The previous prime is 663520075039. The next prime is 663520075051. The reversal of 663520075041 is 140570025366.

663520075041 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 663520075041 - 2¹ = 663520075039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663520075051) 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, 344746 + ... + 1202451.

It is an arithmetic number, because the mean of its divisors is an integer number (55696033604).

Almost surely, 2^663520075041 is an apocalyptic number.

It is an amenable number.

663520075041 is a deficient number, since it is larger than the sum of its proper divisors (227616462623).

663520075041 is a wasteful number, since it uses less digits than its factorization.

663520075041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548240.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 663520075041 in words is "six hundred sixty-three billion, five hundred twenty million, seventy-five thousand, forty-one".