1006660061653 has 2 divisors, whose sum is σ = 1006660061654. Its totient is φ = 1006660061652.

The previous prime is 1006660061609. The next prime is 1006660061669. The reversal of 1006660061653 is 3561600666001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836526085924 + 170133975729 = 914618^2 + 412473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1006660061653 is a prime.

It is a super-2 number, since 2×1006660061653² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006660011653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503330030826 + 503330030827.

It is an arithmetic number, because the mean of its divisors is an integer number (503330030827).

Almost surely, 2^{1006660061653} is an apocalyptic number.

It is an amenable number.

1006660061653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006660061653 is an equidigital number, since it uses as much as digits as its factorization.

1006660061653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 1006660061653 in words is "one trillion, six billion, six hundred sixty million, sixty-one thousand, six hundred fifty-three".