161502040463 has 2 divisors, whose sum is σ = 161502040464. Its totient is φ = 161502040462.

The previous prime is 161502040417. The next prime is 161502040499. The reversal of 161502040463 is 364040205161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161502040463 - 2⁸ = 161502040207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161502040963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80751020231 + 80751020232.

It is an arithmetic number, because the mean of its divisors is an integer number (80751020232).

Almost surely, 2^161502040463 is an apocalyptic number.

161502040463 is a deficient number, since it is larger than the sum of its proper divisors (1).

161502040463 is an equidigital number, since it uses as much as digits as its factorization.

161502040463 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 32.

The spelling of 161502040463 in words is "one hundred sixty-one billion, five hundred two million, forty thousand, four hundred sixty-three".