193918430106 has 64 divisors (see below), whose sum is σ = 432382406400. Its totient is φ = 64421967168.

The previous prime is 193918430071. The next prime is 193918430107. The reversal of 193918430106 is 601034819391.

193918430106 is a `hidden beast` number, since 193 + 9 + 18 + 430 + 10 + 6 = 666.

193918430106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (193918430107) 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 31 ways as a sum of consecutive naturals, for example, 21242115 + ... + 21251241.

It is an arithmetic number, because the mean of its divisors is an integer number (6755975100).

Almost surely, 2^193918430106 is an apocalyptic number.

193918430106 is an abundant number, since it is smaller than the sum of its proper divisors (238463976294).

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

193918430106 is a wasteful number, since it uses less digits than its factorization.

193918430106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10420 (or 10414 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 193918430106 in words is "one hundred ninety-three billion, nine hundred eighteen million, four hundred thirty thousand, one hundred six".