198241349656 has 32 divisors (see below), whose sum is σ = 424826484480. Its totient is φ = 84955860000.

The previous prime is 198241349653. The next prime is 198241349659. The reversal of 198241349656 is 656943142891.

It is an interprime number because it is at equal distance from previous prime (198241349653) and next prime (198241349659).

It is a self number, because there is not a number n which added to its sum of digits gives 198241349656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198241349653) 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, 1034581 + ... + 1211131.

It is an arithmetic number, because the mean of its divisors is an integer number (13275827640).

Almost surely, 2^198241349656 is an apocalyptic number.

It is an amenable number.

198241349656 is an abundant number, since it is smaller than the sum of its proper divisors (226585134824).

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

198241349656 is a wasteful number, since it uses less digits than its factorization.

198241349656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196615 (or 196611 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 58.

The spelling of 198241349656 in words is "one hundred ninety-eight billion, two hundred forty-one million, three hundred forty-nine thousand, six hundred fifty-six".