682168539 has 16 divisors (see below), whose sum is σ = 980000000. Its totient is φ = 419592096.

The previous prime is 682168507. The next prime is 682168541. The reversal of 682168539 is 935861286.

It is a happy number.

It is not a de Polignac number, because 682168539 - 2⁵ = 682168507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682168559) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 133962 + ... + 138960.

It is an arithmetic number, because the mean of its divisors is an integer number (61250000).

Almost surely, 2^682168539 is an apocalyptic number.

682168539 is a deficient number, since it is larger than the sum of its proper divisors (297831461).

682168539 is a wasteful number, since it uses less digits than its factorization.

682168539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8514.

The product of its digits is 622080, while the sum is 48.

The square root of 682168539 is about 26118.3563609964. The cubic root of 682168539 is about 880.2997166932.

The spelling of 682168539 in words is "six hundred eighty-two million, one hundred sixty-eight thousand, five hundred thirty-nine".