678951168 has 432 divisors, whose sum is σ = 2409630720. Its totient is φ = 165445632.

The previous prime is 678951127. The next prime is 678951197. The reversal of 678951168 is 861159876.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 678951168.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29519605 + ... + 29519627.

Almost surely, 2^678951168 is an apocalyptic number.

678951168 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 678951168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204815360).

678951168 is an abundant number, since it is smaller than the sum of its proper divisors (1730679552).

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

678951168 is a wasteful number, since it uses less digits than its factorization.

678951168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 71 counting only the distinct ones).

The product of its digits is 725760, while the sum is 51.

The square root of 678951168 is about 26056.6914246610. The cubic root of 678951168 is about 878.9135904477.

The spelling of 678951168 in words is "six hundred seventy-eight million, nine hundred fifty-one thousand, one hundred sixty-eight".