1685682126 has 24 divisors (see below), whose sum is σ = 3656791944. Its totient is φ = 561204720.

The previous prime is 1685682091. The next prime is 1685682137. The reversal of 1685682126 is 6212865861.

1685682126 is a `hidden beast` number, since 1 + 68 + 568 + 2 + 1 + 26 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42256 + ... + 71811.

It is an arithmetic number, because the mean of its divisors is an integer number (152366331).

Almost surely, 2^1685682126 is an apocalyptic number.

1685682126 is an abundant number, since it is smaller than the sum of its proper divisors (1971109818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1685682126 is a wasteful number, since it uses less digits than its factorization.

1685682126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114896 (or 114893 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 1685682126 is about 41057.0593929960. The cubic root of 1685682126 is about 1190.1231249859.

The spelling of 1685682126 in words is "one billion, six hundred eighty-five million, six hundred eighty-two thousand, one hundred twenty-six".