198336938445 has 16 divisors (see below), whose sum is σ = 352599001920. Its totient is φ = 105779700432.

The previous prime is 198336938383. The next prime is 198336938507. The reversal of 198336938445 is 544839633891.

198336938445 is a `hidden beast` number, since 198 + 3 + 3 + 69 + 384 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (198336938383) and next prime (198336938507).

It is not a de Polignac number, because 198336938445 - 2¹² = 198336934349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734581119 + ... + 734581388.

It is an arithmetic number, because the mean of its divisors is an integer number (22037437620).

Almost surely, 2^198336938445 is an apocalyptic number.

198336938445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198336938445 is a deficient number, since it is larger than the sum of its proper divisors (154262063475).

198336938445 is a wasteful number, since it uses less digits than its factorization.

198336938445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469162521 (or 1469162515 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 198336938445 in words is "one hundred ninety-eight billion, three hundred thirty-six million, nine hundred thirty-eight thousand, four hundred forty-five".