198696072113 has 16 divisors (see below), whose sum is σ = 249208372224. Its totient is φ = 153900983760.

The previous prime is 198696072109. The next prime is 198696072119. The reversal of 198696072113 is 311270696891.

It is a cyclic number.

It is not a de Polignac number, because 198696072113 - 2² = 198696072109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198696072119) 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, 7713095 + ... + 7738812.

It is an arithmetic number, because the mean of its divisors is an integer number (15575523264).

Almost surely, 2^198696072113 is an apocalyptic number.

It is an amenable number.

198696072113 is a deficient number, since it is larger than the sum of its proper divisors (50512300111).

198696072113 is a wasteful number, since it uses less digits than its factorization.

198696072113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15452092.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 198696072113 in words is "one hundred ninety-eight billion, six hundred ninety-six million, seventy-two thousand, one hundred thirteen".