681114992 has 20 divisors (see below), whose sum is σ = 1320280080. Its totient is φ = 340397568.

The previous prime is 681114991. The next prime is 681114997. The reversal of 681114992 is 299411186.

681114992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681114991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29984 + ... + 47552.

It is an arithmetic number, because the mean of its divisors is an integer number (66014004).

Almost surely, 2^681114992 is an apocalyptic number.

It is an amenable number.

681114992 is a deficient number, since it is larger than the sum of its proper divisors (639165088).

681114992 is a wasteful number, since it uses less digits than its factorization.

681114992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000 (or 19994 counting only the distinct ones).

The product of its digits is 31104, while the sum is 41.

The square root of 681114992 is about 26098.1798599059. The cubic root of 681114992 is about 879.8463023584.

The spelling of 681114992 in words is "six hundred eighty-one million, one hundred fourteen thousand, nine hundred ninety-two".