160689560691 has 8 divisors (see below), whose sum is σ = 233730270144. Its totient is φ = 97387612520.

The previous prime is 160689560639. The next prime is 160689560699. The reversal of 160689560691 is 196065986061.

It is a happy number.

160689560691 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 not a de Polignac number, because 160689560691 - 2⁶ = 160689560627 is a prime.

It is a super-2 number, since 2×160689560691² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (160689560699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434690281 + ... + 2434690346.

It is an arithmetic number, because the mean of its divisors is an integer number (29216283768).

Almost surely, 2^160689560691 is an apocalyptic number.

160689560691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

160689560691 is a deficient number, since it is larger than the sum of its proper divisors (73040709453).

160689560691 is a wasteful number, since it uses less digits than its factorization.

160689560691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869380641.

The product of its (nonzero) digits is 4199040, while the sum is 57.

It can be divided in two parts, 16068 and 9560691, that added together give a palindrome (9576759).

The spelling of 160689560691 in words is "one hundred sixty billion, six hundred eighty-nine million, five hundred sixty thousand, six hundred ninety-one".