1680600126 has 16 divisors (see below), whose sum is σ = 3363963264. Its totient is φ = 559739544.

The previous prime is 1680600109. The next prime is 1680600137. The reversal of 1680600126 is 6210060861.

It is a super-2 number, since 2×1680600126² = 5648833567022431752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1680600093 and 1680600102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107176 + ... + 121851.

It is an arithmetic number, because the mean of its divisors is an integer number (210247704).

Almost surely, 2^1680600126 is an apocalyptic number.

1680600126 is an abundant number, since it is smaller than the sum of its proper divisors (1683363138).

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

1680600126 is a wasteful number, since it uses less digits than its factorization.

1680600126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230255.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1680600126 is about 40995.1231977659. The cubic root of 1680600126 is about 1188.9259253719.

Adding to 1680600126 its reverse (6210060861), we get a palindrome (7890660987).

The spelling of 1680600126 in words is "one billion, six hundred eighty million, six hundred thousand, one hundred twenty-six".