72163560241063 has 2 divisors, whose sum is σ = 72163560241064. Its totient is φ = 72163560241062.

The previous prime is 72163560241061. The next prime is 72163560241081. The reversal of 72163560241063 is 36014206536127.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72163560241063 - 2¹ = 72163560241061 is a prime.

Together with 72163560241061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72163560241061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36081780120531 + 36081780120532.

It is an arithmetic number, because the mean of its divisors is an integer number (36081780120532).

Almost surely, 2^{72163560241063} is an apocalyptic number.

72163560241063 is a deficient number, since it is larger than the sum of its proper divisors (1).

72163560241063 is an equidigital number, since it uses as much as digits as its factorization.

72163560241063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 72163560241063 in words is "seventy-two trillion, one hundred sixty-three billion, five hundred sixty million, two hundred forty-one thousand, sixty-three".