681106958 has 48 divisors (see below), whose sum is σ = 1244743200. Its totient is φ = 278175744.

The previous prime is 681106957. The next prime is 681106961. The reversal of 681106958 is 859601186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681106957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1011710 + ... + 1012382.

It is an arithmetic number, because the mean of its divisors is an integer number (25932150).

Almost surely, 2^681106958 is an apocalyptic number.

681106958 is a deficient number, since it is larger than the sum of its proper divisors (563636242).

681106958 is a wasteful number, since it uses less digits than its factorization.

681106958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 681106958 is about 26098.0259406722. The cubic root of 681106958 is about 879.8428429753.

The spelling of 681106958 in words is "six hundred eighty-one million, one hundred six thousand, nine hundred fifty-eight".