198052039712 has 54 divisors (see below), whose sum is σ = 393269104557. Its totient is φ = 98181408000.

The previous prime is 198052039667. The next prime is 198052039741. The reversal of 198052039712 is 217930250891.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 188595644176 + 9456395536 = 434276^2 + 97244^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=314684.

It is a super-2 number, since 2×198052039712² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 380138012 + ... + 380138532.

Almost surely, 2^198052039712 is an apocalyptic number.

It is an amenable number.

198052039712 is a deficient number, since it is larger than the sum of its proper divisors (195217064845).

198052039712 is an frugal number, since it uses more digits than its factorization.

198052039712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 198052039712 in words is "one hundred ninety-eight billion, fifty-two million, thirty-nine thousand, seven hundred twelve".