196734995520 has 224 divisors, whose sum is σ = 719006131200. Its totient is φ = 44644276224.

The previous prime is 196734995489. The next prime is 196734995563. The reversal of 196734995520 is 25599437691.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 828771 + ... + 1039389.

It is an arithmetic number, because the mean of its divisors is an integer number (3209848800).

Almost surely, 2^196734995520 is an apocalyptic number.

196734995520 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 196734995520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359503065600).

196734995520 is an abundant number, since it is smaller than the sum of its proper divisors (522271135680).

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

196734995520 is a wasteful number, since it uses less digits than its factorization.

196734995520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210785 (or 210775 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 60.

The spelling of 196734995520 in words is "one hundred ninety-six billion, seven hundred thirty-four million, nine hundred ninety-five thousand, five hundred twenty".