160663818 has 16 divisors (see below), whose sum is σ = 367231680. Its totient is φ = 45903936.

The previous prime is 160663751. The next prime is 160663819. The reversal of 160663818 is 818366061.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (160663819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912623 + ... + 1912706.

It is an arithmetic number, because the mean of its divisors is an integer number (22951980).

Almost surely, 2^160663818 is an apocalyptic number.

160663818 is an abundant number, since it is smaller than the sum of its proper divisors (206567862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

160663818 is a wasteful number, since it uses less digits than its factorization.

160663818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825341.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 160663818 is about 12675.3231911459. The cubic root of 160663818 is about 543.6332704376.

The spelling of 160663818 in words is "one hundred sixty million, six hundred sixty-three thousand, eight hundred eighteen".