196447656000 has 224 divisors, whose sum is σ = 649999703808. Its totient is φ = 52278681600.

The previous prime is 196447655983. The next prime is 196447656011. The reversal of 196447656000 is 656744691.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 31 ways as a sum of consecutive naturals, for example, 12063864 + ... + 12080136.

It is an arithmetic number, because the mean of its divisors is an integer number (2901784392).

Almost surely, 2^196447656000 is an apocalyptic number.

196447656000 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 196447656000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324999851904).

196447656000 is an abundant number, since it is smaller than the sum of its proper divisors (453552047808).

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

196447656000 is a wasteful number, since it uses less digits than its factorization.

196447656000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16806 (or 16786 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 196447656000 in words is "one hundred ninety-six billion, four hundred forty-seven million, six hundred fifty-six thousand".