338198653217 has 16 divisors (see below), whose sum is σ = 356723784000. Its totient is φ = 320277902400.

The previous prime is 338198653183. The next prime is 338198653253. The reversal of 338198653217 is 712356891833.

It is a cyclic number.

It is not a de Polignac number, because 338198653217 - 2¹² = 338198649121 is a prime.

It is a super-2 number, since 2×338198653217² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338198653277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546467 + ... + 987432.

It is an arithmetic number, because the mean of its divisors is an integer number (22295236500).

Almost surely, 2^338198653217 is an apocalyptic number.

338198653217 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

338198653217 is a deficient number, since it is larger than the sum of its proper divisors (18525130783).

338198653217 is a wasteful number, since it uses less digits than its factorization.

338198653217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534096.

The product of its digits is 6531840, while the sum is 56.

The spelling of 338198653217 in words is "three hundred thirty-eight billion, one hundred ninety-eight million, six hundred fifty-three thousand, two hundred seventeen".