689624671160 has 32 divisors (see below), whose sum is σ = 1553474643840. Its totient is φ = 275526466944.

The previous prime is 689624671069. The next prime is 689624671163. The reversal of 689624671160 is 61176426986.

It is a junction number, because it is equal to n+sod(n) for n = 689624671096 and 689624671105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689624671163) 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, 10071752 + ... + 10139991.

It is an arithmetic number, because the mean of its divisors is an integer number (48546082620).

Almost surely, 2^689624671160 is an apocalyptic number.

It is an amenable number.

689624671160 is an abundant number, since it is smaller than the sum of its proper divisors (863849972680).

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

689624671160 is a wasteful number, since it uses less digits than its factorization.

689624671160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20212607 (or 20212603 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 689624671160 in words is "six hundred eighty-nine billion, six hundred twenty-four million, six hundred seventy-one thousand, one hundred sixty".