196562895567920 has 320 divisors, whose sum is σ = 539605283051520. Its totient is φ = 65195680702464.

The previous prime is 196562895567869. The next prime is 196562895567931. The reversal of 196562895567920 is 29765598265691.

196562895567920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 14020089²-1.

It is a Harshad number since it is a multiple of its sum of digits (80).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8187720557 + ... + 8187744563.

It is an arithmetic number, because the mean of its divisors is an integer number (1686266509536).

Almost surely, 2^{196562895567920} is an apocalyptic number.

196562895567920 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 196562895567920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269802641525760).

196562895567920 is an abundant number, since it is smaller than the sum of its proper divisors (343042387483600).

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

196562895567920 is a wasteful number, since it uses less digits than its factorization.

196562895567920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27932 (or 27926 counting only the distinct ones).

The product of its (nonzero) digits is 4408992000, while the sum is 80.

The spelling of 196562895567920 in words is "one hundred ninety-six trillion, five hundred sixty-two billion, eight hundred ninety-five million, five hundred sixty-seven thousand, nine hundred twenty".