160664741 has 4 divisors (see below), whose sum is σ = 169120800. Its totient is φ = 152208684.

The previous prime is 160664737. The next prime is 160664747. The reversal of 160664741 is 147466061.

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, and also an emirpimes, since its reverse is a distinct semiprime: 147466061 = 79 ⋅1866659.

It is a cyclic number.

It is not a de Polignac number, because 160664741 - 2² = 160664737 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160664747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4228001 + ... + 4228038.

It is an arithmetic number, because the mean of its divisors is an integer number (42280200).

Almost surely, 2^160664741 is an apocalyptic number.

It is an amenable number.

160664741 is a deficient number, since it is larger than the sum of its proper divisors (8456059).

160664741 is an equidigital number, since it uses as much as digits as its factorization.

160664741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8456058.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 160664741 is about 12675.3596004216. The cubic root of 160664741 is about 543.6343114780.

The spelling of 160664741 in words is "one hundred sixty million, six hundred sixty-four thousand, seven hundred forty-one".