198054069 has 8 divisors (see below), whose sum is σ = 264332352. Its totient is φ = 131905920.

The previous prime is 198054061. The next prime is 198054089. The reversal of 198054069 is 960450891.

198054069 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 not a de Polignac number, because 198054069 - 2³ = 198054061 is a prime.

It is a super-4 number, since 4×198054069⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 198054069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198054061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28924 + ... + 35109.

It is an arithmetic number, because the mean of its divisors is an integer number (33041544).

Almost surely, 2^198054069 is an apocalyptic number.

It is an amenable number.

198054069 is a deficient number, since it is larger than the sum of its proper divisors (66278283).

198054069 is a wasteful number, since it uses less digits than its factorization.

198054069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65067.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 198054069 is about 14073.1684065814. The cubic root of 198054069 is about 582.9007173528.

The spelling of 198054069 in words is "one hundred ninety-eight million, fifty-four thousand, sixty-nine".