1084571642648 has 64 divisors (see below), whose sum is σ = 2217131935200. Its totient is φ = 494382873600.

The previous prime is 1084571642633. The next prime is 1084571642677. The reversal of 1084571642648 is 8462461754801.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1084571642593 and 1084571642602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8106698 + ... + 8239398.

Almost surely, 2^{1084571642648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1084571642648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108565967600).

1084571642648 is an abundant number, since it is smaller than the sum of its proper divisors (1132560292552).

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

1084571642648 is a wasteful number, since it uses less digits than its factorization.

1084571642648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133692 (or 133688 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 1084571642648 in words is "one trillion, eighty-four billion, five hundred seventy-one million, six hundred forty-two thousand, six hundred forty-eight".