681014016 has 108 divisors (see below), whose sum is σ = 2079152712. Its totient is φ = 213639168.

The previous prime is 681014003. The next prime is 681014023. The reversal of 681014016 is 610410186.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30475 + ... + 47861.

It is an arithmetic number, because the mean of its divisors is an integer number (19251414).

Almost surely, 2^681014016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 681014016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039576356).

681014016 is an abundant number, since it is smaller than the sum of its proper divisors (1398138696).

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

681014016 is a wasteful number, since it uses less digits than its factorization.

681014016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17426 (or 17409 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 681014016 is about 26096.2452471615. The cubic root of 681014016 is about 879.8028208357.

The spelling of 681014016 in words is "six hundred eighty-one million, fourteen thousand, sixteen".