196888889204 has 72 divisors (see below), whose sum is σ = 422043622560. Its totient is φ = 79913542464.

The previous prime is 196888889161. The next prime is 196888889227. The reversal of 196888889204 is 402988888691.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14602514 + ... + 14615990.

It is an arithmetic number, because the mean of its divisors is an integer number (5861716980).

Almost surely, 2^196888889204 is an apocalyptic number.

196888889204 is a gapful number since it is divisible by the number (14) 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 196888889204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211021811280).

196888889204 is an abundant number, since it is smaller than the sum of its proper divisors (225154733356).

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

196888889204 is a wasteful number, since it uses less digits than its factorization.

196888889204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17437 (or 17428 counting only the distinct ones).

The product of its (nonzero) digits is 127401984, while the sum is 71.

The spelling of 196888889204 in words is "one hundred ninety-six billion, eight hundred eighty-eight million, eight hundred eighty-nine thousand, two hundred four".