196259632144 has 15 divisors (see below), whose sum is σ = 380256470653. Its totient is φ = 98128930048.

The previous prime is 196259632117. The next prime is 196259632157. The reversal of 196259632144 is 441236952691.

It is a happy number.

The square root of 196259632144 is 443012.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 192527888400 + 3731743744 = 438780^2 + 61088^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196259632091 and 196259632100.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1716672 + ... + 1827424.

Almost surely, 2^196259632144 is an apocalyptic number.

196259632144 is the 443012-nd square number.

It is an amenable number.

196259632144 is a deficient number, since it is larger than the sum of its proper divisors (183996838509).

196259632144 is an frugal number, since it uses more digits than its factorization.

196259632144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221514 (or 110755 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The spelling of 196259632144 in words is "one hundred ninety-six billion, two hundred fifty-nine million, six hundred thirty-two thousand, one hundred forty-four".