338668557055 has 4 divisors (see below), whose sum is σ = 406402268472. Its totient is φ = 270934845640.

The previous prime is 338668557047. The next prime is 338668557089. The reversal of 338668557055 is 550755866833.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 338668557055 - 2³ = 338668557047 is a prime.

It is a super-2 number, since 2×338668557055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 338668556984 and 338668557002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33866855701 + ... + 33866855710.

It is an arithmetic number, because the mean of its divisors is an integer number (101600567118).

Almost surely, 2^338668557055 is an apocalyptic number.

338668557055 is a deficient number, since it is larger than the sum of its proper divisors (67733711417).

338668557055 is an equidigital number, since it uses as much as digits as its factorization.

338668557055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67733711416.

The product of its (nonzero) digits is 90720000, while the sum is 61.

The spelling of 338668557055 in words is "three hundred thirty-eight billion, six hundred sixty-eight million, five hundred fifty-seven thousand, fifty-five".