198958294553 has 8 divisors (see below), whose sum is σ = 209521403520. Its totient is φ = 188404347600.

The previous prime is 198958294529. The next prime is 198958294567. The reversal of 198958294553 is 355492859891.

198958294553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 198958294553 - 2¹² = 198958290457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (198958294153) 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 7 ways as a sum of consecutive naturals, for example, 2245898 + ... + 2332803.

It is an arithmetic number, because the mean of its divisors is an integer number (26190175440).

Almost surely, 2^198958294553 is an apocalyptic number.

It is an amenable number.

198958294553 is a deficient number, since it is larger than the sum of its proper divisors (10563108967).

198958294553 is a wasteful number, since it uses less digits than its factorization.

198958294553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581007.

The product of its digits is 139968000, while the sum is 68.

The spelling of 198958294553 in words is "one hundred ninety-eight billion, nine hundred fifty-eight million, two hundred ninety-four thousand, five hundred fifty-three".