680954158 has 16 divisors (see below), whose sum is σ = 1047095280. Its totient is φ = 331934400.

The previous prime is 680954143. The next prime is 680954231. The reversal of 680954158 is 851459086.

It is a congruent number.

It is an unprimeable number.

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, 180253 + ... + 183991.

It is an arithmetic number, because the mean of its divisors is an integer number (65443455).

Almost surely, 2^680954158 is an apocalyptic number.

680954158 is a deficient number, since it is larger than the sum of its proper divisors (366141122).

680954158 is a wasteful number, since it uses less digits than its factorization.

680954158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 680954158 is about 26095.0983519894. The cubic root of 680954158 is about 879.7770432065. Note that the first 3 decimals are identical.

The spelling of 680954158 in words is "six hundred eighty million, nine hundred fifty-four thousand, one hundred fifty-eight".