196822991824 has 20 divisors (see below), whose sum is σ = 381351492736. Its totient is φ = 98409703392.

The previous prime is 196822991683. The next prime is 196822991831. The reversal of 196822991824 is 428199228691.

It is a super-2 number, since 2×196822991824² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1475647 + ... + 1603489.

Almost surely, 2^196822991824 is an apocalyptic number.

It is an amenable number.

196822991824 is a deficient number, since it is larger than the sum of its proper divisors (184528500912).

196822991824 is a wasteful number, since it uses less digits than its factorization.

196822991824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224074 (or 224068 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 61.

The spelling of 196822991824 in words is "one hundred ninety-six billion, eight hundred twenty-two million, nine hundred ninety-one thousand, eight hundred twenty-four".