161560316 has 24 divisors (see below), whose sum is σ = 303838416. Its totient is φ = 74891520.

The previous prime is 161560297. The next prime is 161560327. The reversal of 161560316 is 613065161.

It is a super-2 number, since 2×161560316² = 52203471412039712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13175 + ... + 22286.

It is an arithmetic number, because the mean of its divisors is an integer number (12659934).

Almost surely, 2^161560316 is an apocalyptic number.

It is an amenable number.

161560316 is a deficient number, since it is larger than the sum of its proper divisors (142278100).

161560316 is a wasteful number, since it uses less digits than its factorization.

161560316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35549 (or 35547 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 161560316 is about 12710.6379068873. The cubic root of 161560316 is about 544.6425465161.

The spelling of 161560316 in words is "one hundred sixty-one million, five hundred sixty thousand, three hundred sixteen".