161083003 has 2 divisors, whose sum is σ = 161083004. Its totient is φ = 161083002.

The previous prime is 161083001. The next prime is 161083009. The reversal of 161083003 is 300380161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161083003 - 2¹ = 161083001 is a prime.

Together with 161083001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (161083001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80541501 + 80541502.

It is an arithmetic number, because the mean of its divisors is an integer number (80541502).

Almost surely, 2^161083003 is an apocalyptic number.

161083003 is a deficient number, since it is larger than the sum of its proper divisors (1).

161083003 is an equidigital number, since it uses as much as digits as its factorization.

161083003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 161083003 is about 12691.8478954012. The cubic root of 161083003 is about 544.1056543544.

The spelling of 161083003 in words is "one hundred sixty-one million, eighty-three thousand, three".