196731821084 has 12 divisors (see below), whose sum is σ = 346010742000. Its totient is φ = 97871609088.

The previous prime is 196731821063. The next prime is 196731821093. The reversal of 196731821084 is 480128137691.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123574469 + ... + 123576060.

It is an arithmetic number, because the mean of its divisors is an integer number (28834228500).

Almost surely, 2^196731821084 is an apocalyptic number.

It is an amenable number.

196731821084 is a deficient number, since it is larger than the sum of its proper divisors (149278920916).

196731821084 is a wasteful number, since it uses less digits than its factorization.

196731821084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247150732 (or 247150730 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 196731821084 in words is "one hundred ninety-six billion, seven hundred thirty-one million, eight hundred twenty-one thousand, eighty-four".