196109921280 has 704 divisors, whose sum is σ = 777414048768. Its totient is φ = 41087139840.

The previous prime is 196109921269. The next prime is 196109921309. The reversal of 196109921280 is 82129901691.

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 63 ways as a sum of consecutive naturals, for example, 241812075 + ... + 241812885.

Almost surely, 2^196109921280 is an apocalyptic number.

196109921280 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 196109921280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388707024384).

196109921280 is an abundant number, since it is smaller than the sum of its proper divisors (581304127488).

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

196109921280 is a wasteful number, since it uses less digits than its factorization.

196109921280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 48.

The spelling of 196109921280 in words is "one hundred ninety-six billion, one hundred nine million, nine hundred twenty-one thousand, two hundred eighty".