198245063887948 has 24 divisors (see below), whose sum is σ = 432534684847104. Its totient is φ = 77238336579600.

The previous prime is 198245063887877. The next prime is 198245063887957. The reversal of 198245063887948 is 849788360542891.

It is a super-2 number, since 2×198245063887948² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321826402108 + ... + 321826402723.

It is an arithmetic number, because the mean of its divisors is an integer number (18022278535296).

It is a 2-persistent number, because it is pandigital, and so is 2⋅198245063887948 = 396490127775896, but 3⋅198245063887948 = 594735191663844 is not.

Almost surely, 2^{198245063887948} is an apocalyptic number.

It is an amenable number.

198245063887948 is an abundant number, since it is smaller than the sum of its proper divisors (234289620959156).

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

198245063887948 is a wasteful number, since it uses less digits than its factorization.

198245063887948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643652804853 (or 643652804851 counting only the distinct ones).

The product of its (nonzero) digits is 6688604160, while the sum is 82.

The spelling of 198245063887948 in words is "one hundred ninety-eight trillion, two hundred forty-five billion, sixty-three million, eight hundred eighty-seven thousand, nine hundred forty-eight".