338561356173 has 48 divisors (see below), whose sum is σ = 479471477760. Its totient is φ = 212348223360.

The previous prime is 338561356171. The next prime is 338561356247. The reversal of 338561356173 is 371653165833.

It is not a de Polignac number, because 338561356173 - 2¹ = 338561356171 is a prime.

It is a super-2 number, since 2×338561356173² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338561356171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17121190 + ... + 17140952.

It is an arithmetic number, because the mean of its divisors is an integer number (9988989120).

Almost surely, 2^338561356173 is an apocalyptic number.

It is an amenable number.

338561356173 is a deficient number, since it is larger than the sum of its proper divisors (140910121587).

338561356173 is a wasteful number, since it uses less digits than its factorization.

338561356173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19970 (or 19929 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 51.

The spelling of 338561356173 in words is "three hundred thirty-eight billion, five hundred sixty-one million, three hundred fifty-six thousand, one hundred seventy-three".