161033336 has 8 divisors (see below), whose sum is σ = 301937520. Its totient is φ = 80516664.

The previous prime is 161033329. The next prime is 161033357. The reversal of 161033336 is 633330161.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10064576 + ... + 10064591.

It is an arithmetic number, because the mean of its divisors is an integer number (37742190).

Almost surely, 2^161033336 is an apocalyptic number.

It is an amenable number.

161033336 is a deficient number, since it is larger than the sum of its proper divisors (140904184).

161033336 is a wasteful number, since it uses less digits than its factorization.

161033336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20129173 (or 20129169 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 161033336 is about 12689.8910948834. The cubic root of 161033336 is about 544.0497269278.

Adding to 161033336 its reverse (633330161), we get a palindrome (794363497).

The spelling of 161033336 in words is "one hundred sixty-one million, thirty-three thousand, three hundred thirty-six".