681700116 has 24 divisors (see below), whose sum is σ = 1591974720. Its totient is φ = 227041792.

The previous prime is 681700111. The next prime is 681700121. The reversal of 681700116 is 611007186.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (681700111) and next prime (681700121).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681700111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8736 + ... + 37943.

It is an arithmetic number, because the mean of its divisors is an integer number (66332280).

Almost surely, 2^681700116 is an apocalyptic number.

It is an amenable number.

681700116 is an abundant number, since it is smaller than the sum of its proper divisors (910274604).

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

681700116 is a wasteful number, since it uses less digits than its factorization.

681700116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47903 (or 47901 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 681700116 is about 26109.3875071783. The cubic root of 681700116 is about 880.0981794729.

The spelling of 681700116 in words is "six hundred eighty-one million, seven hundred thousand, one hundred sixteen".