196578880188 has 24 divisors (see below), whose sum is σ = 482825320320. Its totient is φ = 62077541040.

The previous prime is 196578880187. The next prime is 196578880213. The reversal of 196578880188 is 881088875691.

196578880188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×196578880188² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196578880187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431093808 + ... + 431094263.

It is an arithmetic number, because the mean of its divisors is an integer number (20117721680).

Almost surely, 2^196578880188 is an apocalyptic number.

It is an amenable number.

196578880188 is an abundant number, since it is smaller than the sum of its proper divisors (286246440132).

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

196578880188 is a wasteful number, since it uses less digits than its factorization.

196578880188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862188097 (or 862188095 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 69.

The spelling of 196578880188 in words is "one hundred ninety-six billion, five hundred seventy-eight million, eight hundred eighty thousand, one hundred eighty-eight".