160849661 has 4 divisors (see below), whose sum is σ = 183828192. Its totient is φ = 137871132.

The previous prime is 160849639. The next prime is 160849679. The reversal of 160849661 is 166948061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-160849661 is a prime.

It is a super-2 number, since 2×160849661² = 51745226887629842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160849621) 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, 11489255 + ... + 11489268.

It is an arithmetic number, because the mean of its divisors is an integer number (45957048).

Almost surely, 2^160849661 is an apocalyptic number.

It is an amenable number.

160849661 is a deficient number, since it is larger than the sum of its proper divisors (22978531).

160849661 is an equidigital number, since it uses as much as digits as its factorization.

160849661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22978530.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 160849661 is about 12682.6519703097. The cubic root of 160849661 is about 543.8428001034.

The spelling of 160849661 in words is "one hundred sixty million, eight hundred forty-nine thousand, six hundred sixty-one".