681108922 has 16 divisors (see below), whose sum is σ = 1158161760. Its totient is φ = 297812592.

The previous prime is 681108917. The next prime is 681108931. The reversal of 681108922 is 229801186.

681108922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688888 + ... + 689875.

It is an arithmetic number, because the mean of its divisors is an integer number (72385110).

Almost surely, 2^681108922 is an apocalyptic number.

681108922 is a deficient number, since it is larger than the sum of its proper divisors (477052838).

681108922 is a wasteful number, since it uses less digits than its factorization.

681108922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378797.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 681108922 is about 26098.0635680121. The cubic root of 681108922 is about 879.8436886622.

The spelling of 681108922 in words is "six hundred eighty-one million, one hundred eight thousand, nine hundred twenty-two".