198653204148 has 48 divisors (see below), whose sum is σ = 529816936320. Its totient is φ = 56750016384.

The previous prime is 198653204131. The next prime is 198653204177. The reversal of 198653204148 is 841402356891.

It is a self number, because there is not a number n which added to its sum of digits gives 198653204148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441958 + ... + 769826.

It is an arithmetic number, because the mean of its divisors is an integer number (11037852840).

Almost surely, 2^198653204148 is an apocalyptic number.

It is an amenable number.

198653204148 is an abundant number, since it is smaller than the sum of its proper divisors (331163732172).

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

198653204148 is a wasteful number, since it uses less digits than its factorization.

198653204148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335096 (or 335094 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 198653204148 in words is "one hundred ninety-eight billion, six hundred fifty-three million, two hundred four thousand, one hundred forty-eight".