161433763 has 2 divisors, whose sum is σ = 161433764. Its totient is φ = 161433762.

The previous prime is 161433761. The next prime is 161433781. The reversal of 161433763 is 367334161.

161433763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (367334161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161433763 - 2¹ = 161433761 is a prime.

Together with 161433761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (161433761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80716881 + 80716882.

It is an arithmetic number, because the mean of its divisors is an integer number (80716882).

Almost surely, 2^161433763 is an apocalyptic number.

161433763 is a deficient number, since it is larger than the sum of its proper divisors (1).

161433763 is an equidigital number, since it uses as much as digits as its factorization.

161433763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The square root of 161433763 is about 12705.6586999651. The cubic root of 161433763 is about 544.5003000479.

The spelling of 161433763 in words is "one hundred sixty-one million, four hundred thirty-three thousand, seven hundred sixty-three".