196189262080 has 144 divisors (see below), whose sum is σ = 541823716224. Its totient is φ = 66669281280.

The previous prime is 196189262077. The next prime is 196189262081. The reversal of 196189262080 is 80262981691.

It is not an unprimeable number, because it can be changed into a prime (196189262081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915595 + ... + 1109365.

It is an arithmetic number, because the mean of its divisors is an integer number (3762664696).

Almost surely, 2^196189262080 is an apocalyptic number.

196189262080 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 196189262080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270911858112).

196189262080 is an abundant number, since it is smaller than the sum of its proper divisors (345634454144).

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

196189262080 is a wasteful number, since it uses less digits than its factorization.

196189262080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193912 (or 193898 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 196189262080 in words is "one hundred ninety-six billion, one hundred eighty-nine million, two hundred sixty-two thousand, eighty".