198801351 has 128 divisors (see below), whose sum is σ = 387072000. Its totient is φ = 98195328.

The previous prime is 198801329. The next prime is 198801353. The reversal of 198801351 is 153108891.

It is not a de Polignac number, because 198801351 - 2⁵ = 198801319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198801353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2395156 + ... + 2395238.

It is an arithmetic number, because the mean of its divisors is an integer number (3024000).

Almost surely, 2^198801351 is an apocalyptic number.

198801351 is a deficient number, since it is larger than the sum of its proper divisors (188270649).

198801351 is a wasteful number, since it uses less digits than its factorization.

198801351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The square root of 198801351 is about 14099.6932945366. The cubic root of 198801351 is about 583.6329155777.

The spelling of 198801351 in words is "one hundred ninety-eight million, eight hundred one thousand, three hundred fifty-one".