1084138666338 has 32 divisors (see below), whose sum is σ = 2668649026176. Its totient is φ = 285926681088.

The previous prime is 1084138666321. The next prime is 1084138666343. The reversal of 1084138666338 is 8336668314801.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992800431 + ... + 992801522.

It is an arithmetic number, because the mean of its divisors is an integer number (83395282068).

Almost surely, 2^{1084138666338} is an apocalyptic number.

1084138666338 is an abundant number, since it is smaller than the sum of its proper divisors (1584510359838).

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

1084138666338 is a wasteful number, since it uses less digits than its factorization.

1084138666338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985601978.

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 1084138666338 in words is "one trillion, eighty-four billion, one hundred thirty-eight million, six hundred sixty-six thousand, three hundred thirty-eight".