196981900886 has 16 divisors (see below), whose sum is σ = 296679550608. Its totient is φ = 98089084800.

The previous prime is 196981900859. The next prime is 196981900961. The reversal of 196981900886 is 688009189691.

196981900886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994466 + ... + 1175978.

It is an arithmetic number, because the mean of its divisors is an integer number (18542471913).

Almost surely, 2^196981900886 is an apocalyptic number.

196981900886 is a deficient number, since it is larger than the sum of its proper divisors (99697649722).

196981900886 is a wasteful number, since it uses less digits than its factorization.

196981900886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183727.

The product of its (nonzero) digits is 13436928, while the sum is 65.

The spelling of 196981900886 in words is "one hundred ninety-six billion, nine hundred eighty-one million, nine hundred thousand, eight hundred eighty-six".