198061269 has 16 divisors (see below), whose sum is σ = 303244800. Its totient is φ = 112638960.

The previous prime is 198061267. The next prime is 198061273. The reversal of 198061269 is 962160891.

It is not a de Polignac number, because 198061269 - 2¹ = 198061267 is a prime.

It is a super-2 number, since 2×198061269² = 78456532555780722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 198061269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198061267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17919 + ... + 26780.

It is an arithmetic number, because the mean of its divisors is an integer number (18952800).

Almost surely, 2^198061269 is an apocalyptic number.

It is an amenable number.

198061269 is a deficient number, since it is larger than the sum of its proper divisors (105183531).

198061269 is a wasteful number, since it uses less digits than its factorization.

198061269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44920.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 198061269 is about 14073.4242101913. The cubic root of 198061269 is about 582.9077808016.

The spelling of 198061269 in words is "one hundred ninety-eight million, sixty-one thousand, two hundred sixty-nine".