198345570055541 has 8 divisors (see below), whose sum is σ = 208784942076480. Its totient is φ = 187906211183808.

The previous prime is 198345570055517. The next prime is 198345570055553. The reversal of 198345570055541 is 145550075543891.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198345570055541 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198345540055541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49000925 + ... + 52894061.

It is an arithmetic number, because the mean of its divisors is an integer number (26098117759560).

Almost surely, 2^{198345570055541} is an apocalyptic number.

It is an amenable number.

198345570055541 is a deficient number, since it is larger than the sum of its proper divisors (10439372020939).

198345570055541 is a wasteful number, since it uses less digits than its factorization.

198345570055541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574603.

The product of its (nonzero) digits is 75600000, while the sum is 62.

The spelling of 198345570055541 in words is "one hundred ninety-eight trillion, three hundred forty-five billion, five hundred seventy million, fifty-five thousand, five hundred forty-one".