160663066 has 4 divisors (see below), whose sum is σ = 240994602. Its totient is φ = 80331532.

The previous prime is 160663033. The next prime is 160663079. The reversal of 160663066 is 660366061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86099841 + 74563225 = 9279^2 + 8635^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40165765 + ... + 40165768.

Almost surely, 2^160663066 is an apocalyptic number.

160663066 is a deficient number, since it is larger than the sum of its proper divisors (80331536).

160663066 is an equidigital number, since it uses as much as digits as its factorization.

160663066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80331535.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 160663066 is about 12675.2935271732. The cubic root of 160663066 is about 543.6324222632.

The spelling of 160663066 in words is "one hundred sixty million, six hundred sixty-three thousand, sixty-six".