161064244 has 24 divisors (see below), whose sum is σ = 313292448. Its totient is φ = 71828640.

The previous prime is 161064227. The next prime is 161064247. The reversal of 161064244 is 442460161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161064247) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 32202 + ... + 36865.

It is an arithmetic number, because the mean of its divisors is an integer number (13053852).

Almost surely, 2^161064244 is an apocalyptic number.

It is an amenable number.

161064244 is a deficient number, since it is larger than the sum of its proper divisors (152228204).

161064244 is a wasteful number, since it uses less digits than its factorization.

161064244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69135 (or 69133 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 161064244 is about 12691.1088562032. The cubic root of 161064244 is about 544.0845321710.

The spelling of 161064244 in words is "one hundred sixty-one million, sixty-four thousand, two hundred forty-four".