196990969543680 has 528 divisors, whose sum is σ = 687239122724064. Its totient is φ = 48136055685120.

The previous prime is 196990969543661. The next prime is 196990969543681. The reversal of 196990969543680 is 86345969099691.

It is a super-2 number, since 2×196990969543680² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 196990969543593 and 196990969543602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196990969543681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355353120 + ... + 355907040.

Almost surely, 2^{196990969543680} is an apocalyptic number.

196990969543680 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 196990969543680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343619561362032).

196990969543680 is an abundant number, since it is smaller than the sum of its proper divisors (490248153180384).

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

196990969543680 is a wasteful number, since it uses less digits than its factorization.

196990969543680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554112 (or 554081 counting only the distinct ones).

The product of its (nonzero) digits is 6122200320, while the sum is 84.

The spelling of 196990969543680 in words is "one hundred ninety-six trillion, nine hundred ninety billion, nine hundred sixty-nine million, five hundred forty-three thousand, six hundred eighty".