161033536 has 28 divisors (see below), whose sum is σ = 319999360. Its totient is φ = 80403840.

The previous prime is 161033507. The next prime is 161033539. The reversal of 161033536 is 635330161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161033539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62155 + ... + 64693.

Almost surely, 2^161033536 is an apocalyptic number.

161033536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161033536 is a deficient number, since it is larger than the sum of its proper divisors (158965824).

161033536 is an equidigital number, since it uses as much as digits as its factorization.

161033536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 161033536 is about 12689.8989751692. The cubic root of 161033536 is about 544.0499521605.

Adding to 161033536 its reverse (635330161), we get a palindrome (796363697).

The spelling of 161033536 in words is "one hundred sixty-one million, thirty-three thousand, five hundred thirty-six".