198711696 has 20 divisors (see below), whose sum is σ = 513338672. Its totient is φ = 66237216.

The previous prime is 198711641. The next prime is 198711727. The reversal of 198711696 is 696117891.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 4139827 = 198711696 / (1 + 9 + 8 + 7 + 1 + 1 + 6 + 9 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069866 + ... + 2069961.

Almost surely, 2^198711696 is an apocalyptic number.

198711696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198711696 is an abundant number, since it is smaller than the sum of its proper divisors (314626976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198711696 is a wasteful number, since it uses less digits than its factorization.

198711696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139838 (or 4139832 counting only the distinct ones).

The product of its digits is 163296, while the sum is 48.

The square root of 198711696 is about 14096.5136115282. The cubic root of 198711696 is about 583.5451672187.

The spelling of 198711696 in words is "one hundred ninety-eight million, seven hundred eleven thousand, six hundred ninety-six".