198797270606976 has 128 divisors (see below), whose sum is σ = 560362582008000. Its totient is φ = 62228866531328.

The previous prime is 198797270606969. The next prime is 198797270606989. The reversal of 198797270606976 is 679606072797891.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30980970 + ... + 36843113.

Almost surely, 2^{198797270606976} is an apocalyptic number.

198797270606976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198797270606976 is an abundant number, since it is smaller than the sum of its proper divisors (361565311401024).

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

198797270606976 is a wasteful number, since it uses less digits than its factorization.

198797270606976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67824566 (or 67824554 counting only the distinct ones).

The product of its (nonzero) digits is 6049137024, while the sum is 84.

The spelling of 198797270606976 in words is "one hundred ninety-eight trillion, seven hundred ninety-seven billion, two hundred seventy million, six hundred six thousand, nine hundred seventy-six".