196578730384 has 45 divisors (see below), whose sum is σ = 383483311617. Its totient is φ = 97619873472.

The previous prime is 196578730351. The next prime is 196578730391. The reversal of 196578730384 is 483037875691.

The square root of 196578730384 is 443372.

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., 17250195600 + 179328534784 = 131340^2 + 423472^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 352923834 + ... + 352924390.

Almost surely, 2^196578730384 is an apocalyptic number.

196578730384 is the 443372-nd square number.

It is an amenable number.

196578730384 is a deficient number, since it is larger than the sum of its proper divisors (186904581233).

196578730384 is an frugal number, since it uses more digits than its factorization.

196578730384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 196578730384 in words is "one hundred ninety-six billion, five hundred seventy-eight million, seven hundred thirty thousand, three hundred eighty-four".