160868891 has 8 divisors (see below), whose sum is σ = 164983104. Its totient is φ = 156771720.

The previous prime is 160868881. The next prime is 160868899. The reversal of 160868891 is 198868061.

160868891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160868891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160868899) 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, 16076 + ... + 24086.

It is an arithmetic number, because the mean of its divisors is an integer number (20622888).

Almost surely, 2^160868891 is an apocalyptic number.

160868891 is a deficient number, since it is larger than the sum of its proper divisors (4114213).

160868891 is an equidigital number, since it uses as much as digits as its factorization.

160868891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8521.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 160868891 is about 12683.4100698511. The cubic root of 160868891 is about 543.8644718521.

The spelling of 160868891 in words is "one hundred sixty million, eight hundred sixty-eight thousand, eight hundred ninety-one".