338566901690 has 8 divisors (see below), whose sum is σ = 609420423060. Its totient is φ = 135426760672.

The previous prime is 338566901689. The next prime is 338566901693. The reversal of 338566901690 is 96109665833.

It can be written as a sum of positive squares in 2 ways, for example, as 297350999401 + 41215902289 = 545299^2 + 203017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×338566901690² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338566901693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16928345075 + ... + 16928345094.

Almost surely, 2^338566901690 is an apocalyptic number.

338566901690 is a deficient number, since it is larger than the sum of its proper divisors (270853521370).

338566901690 is a wasteful number, since it uses less digits than its factorization.

338566901690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33856690176.

The product of its (nonzero) digits is 6298560, while the sum is 56.

The spelling of 338566901690 in words is "three hundred thirty-eight billion, five hundred sixty-six million, nine hundred one thousand, six hundred ninety".