161052303 has 8 divisors (see below), whose sum is σ = 226038400. Its totient is φ = 101717208.

The previous prime is 161052299. The next prime is 161052349. The reversal of 161052303 is 303250161.

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

It is not a de Polignac number, because 161052303 - 2² = 161052299 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161052303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161052403) 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, 1412683 + ... + 1412796.

It is an arithmetic number, because the mean of its divisors is an integer number (28254800).

Almost surely, 2^161052303 is an apocalyptic number.

161052303 is a deficient number, since it is larger than the sum of its proper divisors (64986097).

161052303 is a wasteful number, since it uses less digits than its factorization.

161052303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825501.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 161052303 is about 12690.6384000175. The cubic root of 161052303 is about 544.0710860375.

The spelling of 161052303 in words is "one hundred sixty-one million, fifty-two thousand, three hundred three".