6867666601 has 2 divisors, whose sum is σ = 6867666602. Its totient is φ = 6867666600.

The previous prime is 6867666587. The next prime is 6867666653. The reversal of 6867666601 is 1066667686.

It is an a-pointer prime, because the next prime (6867666653) can be obtained adding 6867666601 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4128191001 + 2739475600 = 64251^2 + 52340^2 .

It is a cyclic number.

It is not a de Polignac number, because 6867666601 - 2¹⁹ = 6867142313 is a prime.

It is not a weakly prime, because it can be changed into another prime (6867666691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433833300 + 3433833301.

It is an arithmetic number, because the mean of its divisors is an integer number (3433833301).

Almost surely, 2^6867666601 is an apocalyptic number.

It is an amenable number.

6867666601 is a deficient number, since it is larger than the sum of its proper divisors (1).

6867666601 is an equidigital number, since it uses as much as digits as its factorization.

6867666601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The square root of 6867666601 is about 82871.3859000801. The cubic root of 6867666601 is about 1900.7999033582.

The spelling of 6867666601 in words is "six billion, eight hundred sixty-seven million, six hundred sixty-six thousand, six hundred one".