196686358028 has 24 divisors (see below), whose sum is σ = 351167545344. Its totient is φ = 96368144400.

The previous prime is 196686357991. The next prime is 196686358067. The reversal of 196686358028 is 820853686691.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870028 + ... + 1972403.

It is an arithmetic number, because the mean of its divisors is an integer number (14631981056).

Almost surely, 2^196686358028 is an apocalyptic number.

It is an amenable number.

196686358028 is a deficient number, since it is larger than the sum of its proper divisors (154481187316).

196686358028 is a wasteful number, since it uses less digits than its factorization.

196686358028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842693 (or 3842691 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 62.

The spelling of 196686358028 in words is "one hundred ninety-six billion, six hundred eighty-six million, three hundred fifty-eight thousand, twenty-eight".