161869483 has 2 divisors, whose sum is σ = 161869484. Its totient is φ = 161869482.

The previous prime is 161869481. The next prime is 161869489. The reversal of 161869483 is 384968161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161869483 - 2¹ = 161869481 is a prime.

Together with 161869481, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (161869481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80934741 + 80934742.

It is an arithmetic number, because the mean of its divisors is an integer number (80934742).

Almost surely, 2^161869483 is an apocalyptic number.

161869483 is a deficient number, since it is larger than the sum of its proper divisors (1).

161869483 is an equidigital number, since it uses as much as digits as its factorization.

161869483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 161869483 is about 12722.7938362610. The cubic root of 161869483 is about 544.9897402889.

The spelling of 161869483 in words is "one hundred sixty-one million, eight hundred sixty-nine thousand, four hundred eighty-three".