160193661 has 4 divisors (see below), whose sum is σ = 213591552. Its totient is φ = 106795772.

The previous prime is 160193653. The next prime is 160193711. The reversal of 160193661 is 166391061.

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 cyclic number.

It is not a de Polignac number, because 160193661 - 2³ = 160193653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160193641) 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, 26698941 + ... + 26698946.

It is an arithmetic number, because the mean of its divisors is an integer number (53397888).

Almost surely, 2^160193661 is an apocalyptic number.

It is an amenable number.

160193661 is a deficient number, since it is larger than the sum of its proper divisors (53397891).

160193661 is an equidigital number, since it uses as much as digits as its factorization.

160193661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53397890.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 160193661 is about 12656.7634488443. The cubic root of 160193661 is about 543.1024670201.

The spelling of 160193661 in words is "one hundred sixty million, one hundred ninety-three thousand, six hundred sixty-one".