196260643744 has 24 divisors (see below), whose sum is σ = 421514337888. Its totient is φ = 89209383360.

The previous prime is 196260643739. The next prime is 196260643771. The reversal of 196260643744 is 447346062691.

It is a junction number, because it is equal to n+sod(n) for n = 196260643691 and 196260643700.

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 3 ways as a sum of consecutive naturals, for example, 278778972 + ... + 278779675.

It is an arithmetic number, because the mean of its divisors is an integer number (17563097412).

Almost surely, 2^196260643744 is an apocalyptic number.

It is an amenable number.

196260643744 is an abundant number, since it is smaller than the sum of its proper divisors (225253694144).

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

196260643744 is a wasteful number, since it uses less digits than its factorization.

196260643744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557558668 (or 557558660 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 196260643744 in words is "one hundred ninety-six billion, two hundred sixty million, six hundred forty-three thousand, seven hundred forty-four".