1006655004640 has 48 divisors (see below), whose sum is σ = 2378308096080. Its totient is φ = 402647500800.

The previous prime is 1006655004601. The next prime is 1006655004673. The reversal of 1006655004640 is 464005566001.

It is a self number, because there is not a number n which added to its sum of digits gives 1006655004640.

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 7 ways as a sum of consecutive naturals, for example, 5087071 + ... + 5281249.

It is an arithmetic number, because the mean of its divisors is an integer number (49548085335).

Almost surely, 2^{1006655004640} is an apocalyptic number.

1006655004640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1006655004640 is an abundant number, since it is smaller than the sum of its proper divisors (1371653091440).

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

1006655004640 is a wasteful number, since it uses less digits than its factorization.

1006655004640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226595 (or 226587 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 1006655004640 in words is "one trillion, six billion, six hundred fifty-five million, four thousand, six hundred forty".