161560324 has 24 divisors (see below), whose sum is σ = 289238040. Its totient is φ = 78933504.

The previous prime is 161560297. The next prime is 161560327. The reversal of 161560324 is 423065161.

It can be written as a sum of positive squares in 4 ways, for example, as 5760000 + 155800324 = 2400^2 + 12482^2 .

It is a super-2 number, since 2×161560324² = 52203476581969952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161560292 and 161560301.

It is not an unprimeable number, because it can be changed into a prime (161560327) 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 7 ways as a sum of consecutive naturals, for example, 55612 + ... + 58444.

It is an arithmetic number, because the mean of its divisors is an integer number (12051585).

Almost surely, 2^161560324 is an apocalyptic number.

It is an amenable number.

161560324 is a deficient number, since it is larger than the sum of its proper divisors (127677716).

161560324 is a wasteful number, since it uses less digits than its factorization.

161560324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159 (or 3157 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 161560324 is about 12710.6382215843. The cubic root of 161560324 is about 544.6425555058.

The spelling of 161560324 in words is "one hundred sixty-one million, five hundred sixty thousand, three hundred twenty-four".