338243163865 has 16 divisors (see below), whose sum is σ = 415891397376. Its totient is φ = 263931299200.

The previous prime is 338243163857. The next prime is 338243163871. The reversal of 338243163865 is 568361342833.

It is not a de Polignac number, because 338243163865 - 2³ = 338243163857 is a prime.

It is a super-2 number, since 2×338243163865² (a number of 24 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 15 ways as a sum of consecutive naturals, for example, 667344 + ... + 1059166.

It is an arithmetic number, because the mean of its divisors is an integer number (25993212336).

Almost surely, 2^338243163865 is an apocalyptic number.

It is an amenable number.

338243163865 is a deficient number, since it is larger than the sum of its proper divisors (77648233511).

338243163865 is a wasteful number, since it uses less digits than its factorization.

338243163865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396080.

The product of its digits is 7464960, while the sum is 52.

The spelling of 338243163865 in words is "three hundred thirty-eight billion, two hundred forty-three million, one hundred sixty-three thousand, eight hundred sixty-five".