1682091005 has 16 divisors (see below), whose sum is σ = 2313494400. Its totient is φ = 1150120512.

The previous prime is 1682090999. The next prime is 1682091013. The reversal of 1682091005 is 5001902861.

It is a cyclic number.

It is not a de Polignac number, because 1682091005 - 2⁶ = 1682090941 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 56639 + ... + 81068.

It is an arithmetic number, because the mean of its divisors is an integer number (144593400).

Almost surely, 2^1682091005 is an apocalyptic number.

It is an amenable number.

1682091005 is a deficient number, since it is larger than the sum of its proper divisors (631403395).

1682091005 is a wasteful number, since it uses less digits than its factorization.

1682091005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138068.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1682091005 is about 41013.3027809271. The cubic root of 1682091005 is about 1189.2773912516.

Adding to 1682091005 its reverse (5001902861), we get a palindrome (6683993866).

The spelling of 1682091005 in words is "one billion, six hundred eighty-two million, ninety-one thousand, five".