160211866 has 4 divisors (see below), whose sum is σ = 240317802. Its totient is φ = 80105932.

The previous prime is 160211839. The next prime is 160211873. The reversal of 160211866 is 668112061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668112061 = 163 ⋅4098847.

It can be written as a sum of positive squares in only one way, i.e., 88454025 + 71757841 = 9405^2 + 8471^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 40052965 + ... + 40052968.

Almost surely, 2^160211866 is an apocalyptic number.

160211866 is a deficient number, since it is larger than the sum of its proper divisors (80105936).

160211866 is an equidigital number, since it uses as much as digits as its factorization.

160211866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80105935.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 160211866 is about 12657.4826091131. The cubic root of 160211866 is about 543.1230396317.

The spelling of 160211866 in words is "one hundred sixty million, two hundred eleven thousand, eight hundred sixty-six".