196731279936 has 63 divisors (see below), whose sum is σ = 563925206793. Its totient is φ = 65573544960.

The previous prime is 196731279923. The next prime is 196731279947. The reversal of 196731279936 is 639972137691.

The square root of 196731279936 is 443544.

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., 185981737536 + 10749542400 = 431256^2 + 103680^2 .

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, 10635816 + ... + 10654296.

Almost surely, 2^196731279936 is an apocalyptic number.

196731279936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

196731279936 is the 443544-th square number.

It is an amenable number.

196731279936 is an abundant number, since it is smaller than the sum of its proper divisors (367193926857).

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

196731279936 is an frugal number, since it uses more digits than its factorization.

196731279936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36980 (or 18486 counting only the distinct ones).

The product of its digits is 23147208, while the sum is 63.

The spelling of 196731279936 in words is "one hundred ninety-six billion, seven hundred thirty-one million, two hundred seventy-nine thousand, nine hundred thirty-six".