196223751078 has 16 divisors (see below), whose sum is σ = 399852172656. Its totient is φ = 64173805280.

The previous prime is 196223751071. The next prime is 196223751137. The reversal of 196223751078 is 870157322691.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 196223751078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196223751071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308527593 + ... + 308528228.

It is an arithmetic number, because the mean of its divisors is an integer number (24990760791).

Almost surely, 2^196223751078 is an apocalyptic number.

196223751078 is an abundant number, since it is smaller than the sum of its proper divisors (203628421578).

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

196223751078 is a wasteful number, since it uses less digits than its factorization.

196223751078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617055879.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 196223751078 in words is "one hundred ninety-six billion, two hundred twenty-three million, seven hundred fifty-one thousand, seventy-eight".