160391866 has 16 divisors (see below), whose sum is σ = 249609600. Its totient is φ = 77204848.

The previous prime is 160391851. The next prime is 160391867. The reversal of 160391866 is 668193061.

It is not an unprimeable number, because it can be changed into a prime (160391867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16971 + ... + 24673.

It is an arithmetic number, because the mean of its divisors is an integer number (15600600).

Almost surely, 2^160391866 is an apocalyptic number.

160391866 is a deficient number, since it is larger than the sum of its proper divisors (89217734).

160391866 is a wasteful number, since it uses less digits than its factorization.

160391866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8093.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 160391866 is about 12664.5910316915. The cubic root of 160391866 is about 543.3263653072.

The spelling of 160391866 in words is "one hundred sixty million, three hundred ninety-one thousand, eight hundred sixty-six".