196623222912 has 192 divisors, whose sum is σ = 602911647000. Its totient is φ = 61291855872.

The previous prime is 196623222907. The next prime is 196623222947. The reversal of 196623222912 is 219222326691.

196623222912 is a `hidden beast` number, since 1 + 9 + 6 + 623 + 2 + 2 + 2 + 9 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 185567962176 + 11055260736 = 430776^2 + 105144^2 .

It is a tau number, because it is divible by the number of its divisors (192).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3042714 + ... + 3106662.

Almost surely, 2^196623222912 is an apocalyptic number.

196623222912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196623222912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301455823500).

196623222912 is an abundant number, since it is smaller than the sum of its proper divisors (406288424088).

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

196623222912 is a wasteful number, since it uses less digits than its factorization.

196623222912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64143 (or 64128 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The spelling of 196623222912 in words is "one hundred ninety-six billion, six hundred twenty-three million, two hundred twenty-two thousand, nine hundred twelve".