160989887 has 2 divisors, whose sum is σ = 160989888. Its totient is φ = 160989886.

The previous prime is 160989877. The next prime is 160989929. The reversal of 160989887 is 788989061.

It is a happy number.

160989887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 160989887 - 2⁶ = 160989823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160989877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80494943 + 80494944.

It is an arithmetic number, because the mean of its divisors is an integer number (80494944).

Almost surely, 2^160989887 is an apocalyptic number.

160989887 is a deficient number, since it is larger than the sum of its proper divisors (1).

160989887 is an equidigital number, since it uses as much as digits as its factorization.

160989887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The square root of 160989887 is about 12688.1790261645. The cubic root of 160989887 is about 544.0007918367. Note that the first 3 decimals are identical.

The spelling of 160989887 in words is "one hundred sixty million, nine hundred eighty-nine thousand, eight hundred eighty-seven".