198486180830016 has 168 divisors, whose sum is σ = 588789369815400. Its totient is φ = 63853857607680.

The previous prime is 198486180829961. The next prime is 198486180830027. The reversal of 198486180830016 is 610038081684891.

198486180830016 is a `hidden beast` number, since 1 + 9 + 8 + 4 + 8 + 618 + 0 + 8 + 3 + 0 + 0 + 1 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 70689486551616 + 127796694278400 = 8407704^2 + 11304720^2 .

It is a super-2 number, since 2×198486180830016² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37418926 + ... + 42392786.

Almost surely, 2^{198486180830016} is an apocalyptic number.

198486180830016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198486180830016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294394684907700).

198486180830016 is an abundant number, since it is smaller than the sum of its proper divisors (390303188985384).

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

198486180830016 is a wasteful number, since it uses less digits than its factorization.

198486180830016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4976297 (or 4976284 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 63.

The spelling of 198486180830016 in words is "one hundred ninety-eight trillion, four hundred eighty-six billion, one hundred eighty million, eight hundred thirty thousand, sixteen".