196221543 has 16 divisors (see below), whose sum is σ = 302791680. Its totient is φ = 110706336.

The previous prime is 196221539. The next prime is 196221547. The reversal of 196221543 is 345122691.

It is an interprime number because it is at equal distance from previous prime (196221539) and next prime (196221547).

It is not a de Polignac number, because 196221543 - 2² = 196221539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196221547) 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, 57480 + ... + 60797.

It is an arithmetic number, because the mean of its divisors is an integer number (18924480).

Almost surely, 2^196221543 is an apocalyptic number.

196221543 is a deficient number, since it is larger than the sum of its proper divisors (106570137).

196221543 is a wasteful number, since it uses less digits than its factorization.

196221543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118366.

The product of its digits is 12960, while the sum is 33.

The square root of 196221543 is about 14007.9100154163. The cubic root of 196221543 is about 581.0973507804.

The spelling of 196221543 in words is "one hundred ninety-six million, two hundred twenty-one thousand, five hundred forty-three".