198181670976 has 231 divisors, whose sum is σ = 592484017341. Its totient is φ = 65772082944.

The previous prime is 198181670971. The next prime is 198181670977. The reversal of 198181670976 is 679076181891.

The square root of 198181670976 is 445176.

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

It can be written as a sum of positive squares in only one way, i.e., 184576781376 + 13604889600 = 429624^2 + 116640^2 .

It is not an unprimeable number, because it can be changed into a prime (198181670971) by changing a digit.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 865422030 + ... + 865422258.

Almost surely, 2^198181670976 is an apocalyptic number.

198181670976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

198181670976 is the 445176-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198181670976

198181670976 is an abundant number, since it is smaller than the sum of its proper divisors (394302346365).

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

198181670976 is an frugal number, since it uses more digits than its factorization.

198181670976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 63.

The spelling of 198181670976 in words is "one hundred ninety-eight billion, one hundred eighty-one million, six hundred seventy thousand, nine hundred seventy-six".