1081684506464 has 48 divisors (see below), whose sum is σ = 2144509815168. Its totient is φ = 537059331072.

The previous prime is 1081684506439. The next prime is 1081684506517. The reversal of 1081684506464 is 4646054861801.

It is a congruent number.

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, 2642084 + ... + 3023900.

It is an arithmetic number, because the mean of its divisors is an integer number (44677287816).

Almost surely, 2^{1081684506464} is an apocalyptic number.

It is an amenable number.

1081684506464 is a deficient number, since it is larger than the sum of its proper divisors (1062825308704).

1081684506464 is a wasteful number, since it uses less digits than its factorization.

1081684506464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382447 (or 382439 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 1081684506464 in words is "one trillion, eighty-one billion, six hundred eighty-four million, five hundred six thousand, four hundred sixty-four".