160689404 has 24 divisors (see below), whose sum is σ = 284201568. Its totient is φ = 79494080.

The previous prime is 160689367. The next prime is 160689407. The reversal of 160689404 is 404986061.

160689404 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 (160689407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195314 + ... + 196134.

It is an arithmetic number, because the mean of its divisors is an integer number (11841732).

Almost surely, 2^160689404 is an apocalyptic number.

It is an amenable number.

160689404 is a deficient number, since it is larger than the sum of its proper divisors (123512164).

160689404 is a wasteful number, since it uses less digits than its factorization.

160689404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1283 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 160689404 is about 12676.3324348961. The cubic root of 160689404 is about 543.6621270957.

The spelling of 160689404 in words is "one hundred sixty million, six hundred eighty-nine thousand, four hundred four".