196694568687 has 16 divisors (see below), whose sum is σ = 273927541248. Its totient is φ = 125306718240.

The previous prime is 196694568683. The next prime is 196694568701. The reversal of 196694568687 is 786865496691.

It is not a de Polignac number, because 196694568687 - 2² = 196694568683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196694568683) 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, 1311328 + ... + 1453605.

It is an arithmetic number, because the mean of its divisors is an integer number (17120471328).

Almost surely, 2^196694568687 is an apocalyptic number.

196694568687 is a deficient number, since it is larger than the sum of its proper divisors (77232972561).

196694568687 is a wasteful number, since it uses less digits than its factorization.

196694568687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765990.

The product of its digits is 940584960, while the sum is 75.

The spelling of 196694568687 in words is "one hundred ninety-six billion, six hundred ninety-four million, five hundred sixty-eight thousand, six hundred eighty-seven".