1006660061654 has 16 divisors (see below), whose sum is σ = 1646727270720. Its totient is φ = 458731166400.

The previous prime is 1006660061653. The next prime is 1006660061669. The reversal of 1006660061654 is 4561600666001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006660061653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245046647 + ... + 245050754.

It is an arithmetic number, because the mean of its divisors is an integer number (102920454420).

Almost surely, 2^{1006660061654} is an apocalyptic number.

1006660061654 is a deficient number, since it is larger than the sum of its proper divisors (640067209066).

1006660061654 is a wasteful number, since it uses less digits than its factorization.

1006660061654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490097495.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 1006660061654 in words is "one trillion, six billion, six hundred sixty million, sixty-one thousand, six hundred fifty-four".