161035136 has 16 divisors (see below), whose sum is σ = 320812440. Its totient is φ = 80517504.

The previous prime is 161035123. The next prime is 161035151. The reversal of 161035136 is 631530161.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 628916 + ... + 629171.

Almost surely, 2^161035136 is an apocalyptic number.

161035136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161035136 is a deficient number, since it is larger than the sum of its proper divisors (159777304).

161035136 is an equidigital number, since it uses as much as digits as its factorization.

161035136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258101 (or 1258089 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 161035136 is about 12689.9620172796. The cubic root of 161035136 is about 544.0517540150.

Adding to 161035136 its reverse (631530161), we get a palindrome (792565297).

The spelling of 161035136 in words is "one hundred sixty-one million, thirty-five thousand, one hundred thirty-six".