1000655161651 has 2 divisors, whose sum is σ = 1000655161652. Its totient is φ = 1000655161650.

The previous prime is 1000655161637. The next prime is 1000655161697. The reversal of 1000655161651 is 1561615560001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000655161651 - 2²³ = 1000646773043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000655161651.

It is not a weakly prime, because it can be changed into another prime (1000655161631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500327580825 + 500327580826.

It is an arithmetic number, because the mean of its divisors is an integer number (500327580826).

Almost surely, 2^{1000655161651} is an apocalyptic number.

1000655161651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000655161651 is an equidigital number, since it uses as much as digits as its factorization.

1000655161651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 1000655161651 in words is "one trillion, six hundred fifty-five million, one hundred sixty-one thousand, six hundred fifty-one".