160666799 has 4 divisors (see below), whose sum is σ = 167652336. Its totient is φ = 153681264.

The previous prime is 160666789. The next prime is 160666819. The reversal of 160666799 is 997666061.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160666799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160666739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3492734 + ... + 3492779.

It is an arithmetic number, because the mean of its divisors is an integer number (41913084).

Almost surely, 2^160666799 is an apocalyptic number.

160666799 is a deficient number, since it is larger than the sum of its proper divisors (6985537).

160666799 is an equidigital number, since it uses as much as digits as its factorization.

160666799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985536.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 160666799 is about 12675.4407812904. The cubic root of 160666799 is about 543.6366326565.

The spelling of 160666799 in words is "one hundred sixty million, six hundred sixty-six thousand, seven hundred ninety-nine".