1686307842611 has 16 divisors (see below), whose sum is σ = 1989507483648. Its totient is φ = 1398688948800.

The previous prime is 1686307842607. The next prime is 1686307842623. The reversal of 1686307842611 is 1162487036861.

It is a cyclic number.

It is not a de Polignac number, because 1686307842611 - 2² = 1686307842607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1686307842811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3166631 + ... + 3660623.

It is an arithmetic number, because the mean of its divisors is an integer number (124344217728).

Almost surely, 2^{1686307842611} is an apocalyptic number.

1686307842611 is a deficient number, since it is larger than the sum of its proper divisors (303199641037).

1686307842611 is a wasteful number, since it uses less digits than its factorization.

1686307842611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509762.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 1686307842611 in words is "one trillion, six hundred eighty-six billion, three hundred seven million, eight hundred forty-two thousand, six hundred eleven".