683688168 has 32 divisors (see below), whose sum is σ = 1899134400. Its totient is φ = 227895984.

The previous prime is 683688157. The next prime is 683688169. The reversal of 683688168 is 861886386.

It is a super-2 number, since 2×683688168² = 934859022126392448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (683688169) 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, 1582396 + ... + 1582827.

It is an arithmetic number, because the mean of its divisors is an integer number (59347950).

Almost surely, 2^683688168 is an apocalyptic number.

It is an amenable number.

683688168 is an abundant number, since it is smaller than the sum of its proper divisors (1215446232).

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

683688168 is a wasteful number, since it uses less digits than its factorization.

683688168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165238 (or 3165228 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 683688168 is about 26147.4313843636. The cubic root of 683688168 is about 880.9528968586.

The spelling of 683688168 in words is "six hundred eighty-three million, six hundred eighty-eight thousand, one hundred sixty-eight".