198841246827664 has 45 divisors (see below), whose sum is σ = 448154567362611. Its totient is φ = 85217507998560.

The previous prime is 198841246827563. The next prime is 198841246827667. The reversal of 198841246827664 is 466728642148891.

The square root of 198841246827664 is 14101108.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×198841246827664³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198841246827667) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 394579219 + ... + 395082829.

Almost surely, 2^{198841246827664} is an apocalyptic number.

198841246827664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198841246827664 is the 14101108-th square number.

It is an amenable number.

198841246827664 is an abundant number, since it is smaller than the sum of its proper divisors (249313320534947).

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

198841246827664 is an frugal number, since it uses more digits than its factorization.

198841246827664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007244 (or 503620 counting only the distinct ones).

The product of its digits is 1783627776, while the sum is 76.

The spelling of 198841246827664 in words is "one hundred ninety-eight trillion, eight hundred forty-one billion, two hundred forty-six million, eight hundred twenty-seven thousand, six hundred sixty-four".