160561636 has 12 divisors (see below), whose sum is σ = 281132460. Its totient is φ = 80238080.

The previous prime is 160561633. The next prime is 160561637. The reversal of 160561636 is 636165061.

It can be written as a sum of positive squares in 2 ways, for example, as 86601636 + 73960000 = 9306^2 + 8600^2 .

It is not an unprimeable number, because it can be changed into a prime (160561631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321 + ... + 17968.

It is an arithmetic number, because the mean of its divisors is an integer number (23427705).

Almost surely, 2^160561636 is an apocalyptic number.

It is an amenable number.

160561636 is a deficient number, since it is larger than the sum of its proper divisors (120570824).

160561636 is a wasteful number, since it uses less digits than its factorization.

160561636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21374 (or 21372 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 160561636 is about 12671.2918047056. The cubic root of 160561636 is about 543.5179959550.

The spelling of 160561636 in words is "one hundred sixty million, five hundred sixty-one thousand, six hundred thirty-six".