196911905244 has 48 divisors (see below), whose sum is σ = 461632647168. Its totient is φ = 65327226048.

The previous prime is 196911905243. The next prime is 196911905273. The reversal of 196911905244 is 442509119691.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196911905243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17755069 + ... + 17766155.

It is an arithmetic number, because the mean of its divisors is an integer number (9617346816).

Almost surely, 2^196911905244 is an apocalyptic number.

It is an amenable number.

196911905244 is an abundant number, since it is smaller than the sum of its proper divisors (264720741924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196911905244 is a wasteful number, since it uses less digits than its factorization.

196911905244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17954 (or 17952 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 51.

The spelling of 196911905244 in words is "one hundred ninety-six billion, nine hundred eleven million, nine hundred five thousand, two hundred forty-four".