678067016 has 16 divisors (see below), whose sum is σ = 1386955440. Its totient is φ = 308212240.

The previous prime is 678067007. The next prime is 678067021. The reversal of 678067016 is 610760876.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3852566 + ... + 3852741.

It is an arithmetic number, because the mean of its divisors is an integer number (86684715).

Almost surely, 2^678067016 is an apocalyptic number.

It is an amenable number.

678067016 is an abundant number, since it is smaller than the sum of its proper divisors (708888424).

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

678067016 is a wasteful number, since it uses less digits than its factorization.

678067016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705324 (or 7705320 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 678067016 is about 26039.7199677723. The cubic root of 678067016 is about 878.5319082255.

The spelling of 678067016 in words is "six hundred seventy-eight million, sixty-seven thousand, sixteen".