681119266 has 8 divisors (see below), whose sum is σ = 1022009040. Its totient is φ = 340449588.

The previous prime is 681119251. The next prime is 681119267. The reversal of 681119266 is 662911186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (681119267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47056 + ... + 59803.

It is an arithmetic number, because the mean of its divisors is an integer number (127751130).

Almost surely, 2^681119266 is an apocalyptic number.

681119266 is a deficient number, since it is larger than the sum of its proper divisors (340889774).

681119266 is a wasteful number, since it uses less digits than its factorization.

681119266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110048.

The product of its digits is 31104, while the sum is 40.

The square root of 681119266 is about 26098.2617428824. The cubic root of 681119266 is about 879.8481427012.

It can be divided in two parts, 68111 and 9266, that added together give a palindrome (77377).

The spelling of 681119266 in words is "six hundred eighty-one million, one hundred nineteen thousand, two hundred sixty-six".