1600138338 has 16 divisors (see below), whose sum is σ = 3201512160. Its totient is φ = 533173536.

The previous prime is 1600138327. The next prime is 1600138343. The reversal of 1600138338 is 8338310061.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1600138299 and 1600138308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34195 + ... + 66102.

It is an arithmetic number, because the mean of its divisors is an integer number (200094510).

Almost surely, 2^1600138338 is an apocalyptic number.

1600138338 is an abundant number, since it is smaller than the sum of its proper divisors (1601373822).

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

1600138338 is a wasteful number, since it uses less digits than its factorization.

1600138338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102961.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1600138338 is about 40001.7291876239. The cubic root of 1600138338 is about 1169.6408028775.

Adding to 1600138338 its reverse (8338310061), we get a palindrome (9938448399).

The spelling of 1600138338 in words is "one billion, six hundred million, one hundred thirty-eight thousand, three hundred thirty-eight".