196781470208000 has 208 divisors, whose sum is σ = 512459084007936. Its totient is φ = 75290297139200.

The previous prime is 196781470207999. The next prime is 196781470208107. The reversal of 196781470208000 is 802074187691.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 3420809 + ... + 20131191.

It is an arithmetic number, because the mean of its divisors is an integer number (2463745596192).

Almost surely, 2^{196781470208000} is an apocalyptic number.

196781470208000 is a gapful number since it is divisible by the number (10) 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 196781470208000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256229542003968).

196781470208000 is an abundant number, since it is smaller than the sum of its proper divisors (315677613799936).

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

196781470208000 is an equidigital number, since it uses as much as digits as its factorization.

196781470208000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16710445 (or 16710413 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 196781470208000 in words is "one hundred ninety-six trillion, seven hundred eighty-one billion, four hundred seventy million, two hundred eight thousand".