160689172 has 24 divisors (see below), whose sum is σ = 322076160. Its totient is φ = 68717280.

The previous prime is 160689169. The next prime is 160689173. The reversal of 160689172 is 271986061.

160689172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160689173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7422 + ... + 19402.

It is an arithmetic number, because the mean of its divisors is an integer number (13419840).

Almost surely, 2^160689172 is an apocalyptic number.

It is an amenable number.

160689172 is an abundant number, since it is smaller than the sum of its proper divisors (161386988).

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

160689172 is a wasteful number, since it uses less digits than its factorization.

160689172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12471 (or 12469 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 160689172 is about 12676.3232839810. The cubic root of 160689172 is about 543.6618654529.

The spelling of 160689172 in words is "one hundred sixty million, six hundred eighty-nine thousand, one hundred seventy-two".