161496303 has 8 divisors (see below), whose sum is σ = 218054400. Its totient is φ = 106301208.

The previous prime is 161496299. The next prime is 161496343. The reversal of 161496303 is 303694161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161496303 - 2² = 161496299 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161496343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340473 + ... + 340946.

It is an arithmetic number, because the mean of its divisors is an integer number (27256800).

Almost surely, 2^161496303 is an apocalyptic number.

161496303 is a deficient number, since it is larger than the sum of its proper divisors (56558097).

161496303 is an equidigital number, since it uses as much as digits as its factorization.

161496303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681501.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 161496303 is about 12708.1195697869. The cubic root of 161496303 is about 544.5706047385.

The spelling of 161496303 in words is "one hundred sixty-one million, four hundred ninety-six thousand, three hundred three".