161008703 has 2 divisors, whose sum is σ = 161008704. Its totient is φ = 161008702.

The previous prime is 161008697. The next prime is 161008721. The reversal of 161008703 is 307800161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161008703 - 2⁸ = 161008447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161008723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80504351 + 80504352.

It is an arithmetic number, because the mean of its divisors is an integer number (80504352).

Almost surely, 2^161008703 is an apocalyptic number.

161008703 is a deficient number, since it is larger than the sum of its proper divisors (1).

161008703 is an equidigital number, since it uses as much as digits as its factorization.

161008703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 161008703 is about 12688.9204820584. The cubic root of 161008703 is about 544.0219847210.

Adding to 161008703 its reverse (307800161), we get a palindrome (468808864).

The spelling of 161008703 in words is "one hundred sixty-one million, eight thousand, seven hundred three".