161294383 has 2 divisors, whose sum is σ = 161294384. Its totient is φ = 161294382.

The previous prime is 161294299. The next prime is 161294387. The reversal of 161294383 is 383492161.

161294383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161294383 - 2²⁵ = 127739951 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161294387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80647191 + 80647192.

It is an arithmetic number, because the mean of its divisors is an integer number (80647192).

Almost surely, 2^161294383 is an apocalyptic number.

161294383 is a deficient number, since it is larger than the sum of its proper divisors (1).

161294383 is an equidigital number, since it uses as much as digits as its factorization.

161294383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 161294383 is about 12700.1725578828. The cubic root of 161294383 is about 544.3435498893.

The spelling of 161294383 in words is "one hundred sixty-one million, two hundred ninety-four thousand, three hundred eighty-three".