1440520116163 has 2 divisors, whose sum is σ = 1440520116164. Its totient is φ = 1440520116162.

The previous prime is 1440520116143. The next prime is 1440520116197. The reversal of 1440520116163 is 3616110250441.

It is an a-pointer prime, because the next prime (1440520116197) can be obtained adding 1440520116163 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1440520116163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1440520116103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720260058081 + 720260058082.

It is an arithmetic number, because the mean of its divisors is an integer number (720260058082).

Almost surely, 2^{1440520116163} is an apocalyptic number.

1440520116163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440520116163 is an equidigital number, since it uses as much as digits as its factorization.

1440520116163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 1440520116163 in words is "one trillion, four hundred forty billion, five hundred twenty million, one hundred sixteen thousand, one hundred sixty-three".