198516069 has 8 divisors (see below), whose sum is σ = 294097920. Its totient is φ = 132344028.

The previous prime is 198516067. The next prime is 198516091. The reversal of 198516069 is 960615891.

It is not a de Polignac number, because 198516069 - 2¹ = 198516067 is a prime.

It is a super-2 number, since 2×198516069² = 78817259302425522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198516067) 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, 3676197 + ... + 3676250.

It is an arithmetic number, because the mean of its divisors is an integer number (36762240).

Almost surely, 2^198516069 is an apocalyptic number.

It is an amenable number.

198516069 is a deficient number, since it is larger than the sum of its proper divisors (95581851).

198516069 is an equidigital number, since it uses as much as digits as its factorization.

198516069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352456 (or 7352450 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 198516069 is about 14089.5730595359. The cubic root of 198516069 is about 583.3536088372.

The spelling of 198516069 in words is "one hundred ninety-eight million, five hundred sixteen thousand, sixty-nine".