196538057444 has 36 divisors (see below), whose sum is σ = 350713246800. Its totient is φ = 96343939200.

The previous prime is 196538057423. The next prime is 196538057483. The reversal of 196538057444 is 444750835691.

It is a happy number.

It is a super-2 number, since 2×196538057444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196538057444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37946447 + ... + 37951625.

Almost surely, 2^196538057444 is an apocalyptic number.

It is an amenable number.

196538057444 is a deficient number, since it is larger than the sum of its proper divisors (154175189356).

196538057444 is an equidigital number, since it uses as much as digits as its factorization.

196538057444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 196538057444 in words is "one hundred ninety-six billion, five hundred thirty-eight million, fifty-seven thousand, four hundred forty-four".