1686471380607 has 16 divisors (see below), whose sum is σ = 2430156837248. Its totient is φ = 1034161296480.

The previous prime is 1686471380597. The next prime is 1686471380639. The reversal of 1686471380607 is 7060831746861.

It is not a de Polignac number, because 1686471380607 - 2⁸ = 1686471380351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1686471380687) 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, 76389769 + ... + 76411842.

It is an arithmetic number, because the mean of its divisors is an integer number (151884802328).

Almost surely, 2^{1686471380607} is an apocalyptic number.

1686471380607 is a deficient number, since it is larger than the sum of its proper divisors (743685456641).

1686471380607 is a wasteful number, since it uses less digits than its factorization.

1686471380607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152801910.

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 1686471380607 in words is "one trillion, six hundred eighty-six billion, four hundred seventy-one million, three hundred eighty thousand, six hundred seven".