161060203 has 2 divisors, whose sum is σ = 161060204. Its totient is φ = 161060202.

The previous prime is 161060201. The next prime is 161060243. The reversal of 161060203 is 302060161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161060203 - 2¹ = 161060201 is a prime.

Together with 161060201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (161060201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80530101 + 80530102.

It is an arithmetic number, because the mean of its divisors is an integer number (80530102).

Almost surely, 2^161060203 is an apocalyptic number.

161060203 is a deficient number, since it is larger than the sum of its proper divisors (1).

161060203 is an equidigital number, since it uses as much as digits as its factorization.

161060203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 161060203 is about 12690.9496492579. The cubic root of 161060203 is about 544.0799818873.

The spelling of 161060203 in words is "one hundred sixty-one million, sixty thousand, two hundred three".