1655010511667 has 2 divisors, whose sum is σ = 1655010511668. Its totient is φ = 1655010511666.

The previous prime is 1655010511603. The next prime is 1655010511669. The reversal of 1655010511667 is 7661150105561.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1655010511667 - 2⁶ = 1655010511603 is a prime.

Together with 1655010511669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1655010511669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827505255833 + 827505255834.

It is an arithmetic number, because the mean of its divisors is an integer number (827505255834).

Almost surely, 2^{1655010511667} is an apocalyptic number.

1655010511667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655010511667 is an equidigital number, since it uses as much as digits as its factorization.

1655010511667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 1655010511667 in words is "one trillion, six hundred fifty-five billion, ten million, five hundred eleven thousand, six hundred sixty-seven".