160500661 has 2 divisors, whose sum is σ = 160500662. Its totient is φ = 160500660.

The previous prime is 160500649. The next prime is 160500673. The reversal of 160500661 is 166005061.

It is a balanced prime because it is at equal distance from previous prime (160500649) and next prime (160500673).

It can be written as a sum of positive squares in only one way, i.e., 156400036 + 4100625 = 12506^2 + 2025^2 .

It is an emirp because it is prime and its reverse (166005061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160500661 - 2⁷ = 160500533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160500611) 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 as a sum of consecutive naturals, namely, 80250330 + 80250331.

It is an arithmetic number, because the mean of its divisors is an integer number (80250331).

Almost surely, 2^160500661 is an apocalyptic number.

It is an amenable number.

160500661 is a deficient number, since it is larger than the sum of its proper divisors (1).

160500661 is an equidigital number, since it uses as much as digits as its factorization.

160500661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 160500661 is about 12668.8855468822. The cubic root of 160500661 is about 543.4491849847.

It can be divided in two parts, 160500 and 661, that added together give a palindrome (161161).

The spelling of 160500661 in words is "one hundred sixty million, five hundred thousand, six hundred sixty-one".