605123145198 has 96 divisors (see below), whose sum is σ = 1590001201152. Its totient is φ = 163805025600.

The previous prime is 605123145197. The next prime is 605123145217. The reversal of 605123145198 is 891541321506.

It is a happy number.

605123145198 is a `hidden beast` number, since 6 + 0 + 5 + 123 + 1 + 4 + 519 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605123145197) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3711990 + ... + 3871577.

It is an arithmetic number, because the mean of its divisors is an integer number (16562512512).

Almost surely, 2^605123145198 is an apocalyptic number.

605123145198 is an abundant number, since it is smaller than the sum of its proper divisors (984878055954).

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

605123145198 is a wasteful number, since it uses less digits than its factorization.

605123145198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7583630 (or 7583627 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 605123145198 in words is "six hundred five billion, one hundred twenty-three million, one hundred forty-five thousand, one hundred ninety-eight".