688160352 has 48 divisors (see below), whose sum is σ = 1970644032. Its totient is φ = 208533120.

The previous prime is 688160339. The next prime is 688160353. The reversal of 688160352 is 253061886.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 688160352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688160353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324778 + ... + 326889.

It is an arithmetic number, because the mean of its divisors is an integer number (41055084).

Almost surely, 2^688160352 is an apocalyptic number.

It is an amenable number.

688160352 is an abundant number, since it is smaller than the sum of its proper divisors (1282483680).

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

688160352 is a wasteful number, since it uses less digits than its factorization.

688160352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651691 (or 651683 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 688160352 is about 26232.8106004675. The cubic root of 688160352 is about 882.8695719014.

The spelling of 688160352 in words is "six hundred eighty-eight million, one hundred sixty thousand, three hundred fifty-two".