160770661 has 4 divisors (see below), whose sum is σ = 165115852. Its totient is φ = 156425472.

The previous prime is 160770641. The next prime is 160770703. The reversal of 160770661 is 166077061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 166077061 = 139 ⋅1194799.

It can be written as a sum of positive squares in 2 ways, for example, as 113422500 + 47348161 = 10650^2 + 6881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160770661 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 (160770641) 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, 2172540 + ... + 2172613.

It is an arithmetic number, because the mean of its divisors is an integer number (41278963).

Almost surely, 2^160770661 is an apocalyptic number.

It is an amenable number.

160770661 is a deficient number, since it is larger than the sum of its proper divisors (4345191).

160770661 is an equidigital number, since it uses as much as digits as its factorization.

160770661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345190.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 160770661 is about 12679.5370972287. The cubic root of 160770661 is about 543.7537508703.

The spelling of 160770661 in words is "one hundred sixty million, seven hundred seventy thousand, six hundred sixty-one".