682168319 has 4 divisors (see below), whose sum is σ = 779620944. Its totient is φ = 584715696.

The previous prime is 682168309. The next prime is 682168327. The reversal of 682168319 is 913861286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682168319 is a prime.

It is a super-2 number, since 2×682168319² = 930707230894571522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 682168319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682168309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48726302 + ... + 48726315.

It is an arithmetic number, because the mean of its divisors is an integer number (194905236).

Almost surely, 2^682168319 is an apocalyptic number.

682168319 is a deficient number, since it is larger than the sum of its proper divisors (97452625).

682168319 is an equidigital number, since it uses as much as digits as its factorization.

682168319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97452624.

The product of its digits is 124416, while the sum is 44.

The square root of 682168319 is about 26118.3521493987. The cubic root of 682168319 is about 880.2996220607.

The spelling of 682168319 in words is "six hundred eighty-two million, one hundred sixty-eight thousand, three hundred nineteen".