160749565 has 4 divisors (see below), whose sum is σ = 192899484. Its totient is φ = 128599648.

The previous prime is 160749559. The next prime is 160749587. The reversal of 160749565 is 565947061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565947061 = 2377 ⋅238093.

It can be written as a sum of positive squares in 2 ways, for example, as 83503044 + 77246521 = 9138^2 + 8789^2 .

It is a cyclic number.

It is not a de Polignac number, because 160749565 - 2¹⁵ = 160716797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16074952 + ... + 16074961.

It is an arithmetic number, because the mean of its divisors is an integer number (48224871).

Almost surely, 2^160749565 is an apocalyptic number.

It is an amenable number.

160749565 is a deficient number, since it is larger than the sum of its proper divisors (32149919).

160749565 is an equidigital number, since it uses as much as digits as its factorization.

160749565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32149918.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 160749565 is about 12678.7051783690. The cubic root of 160749565 is about 543.7299664086.

The spelling of 160749565 in words is "one hundred sixty million, seven hundred forty-nine thousand, five hundred sixty-five".