3667128086591 has 2 divisors, whose sum is σ = 3667128086592. Its totient is φ = 3667128086590.

The previous prime is 3667128086539. The next prime is 3667128086597. The reversal of 3667128086591 is 1956808217663.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3667128086591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3667128086597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833564043295 + 1833564043296.

It is an arithmetic number, because the mean of its divisors is an integer number (1833564043296).

Almost surely, 2^{3667128086591} is an apocalyptic number.

3667128086591 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667128086591 is an equidigital number, since it uses as much as digits as its factorization.

3667128086591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 3667128086591 in words is "three trillion, six hundred sixty-seven billion, one hundred twenty-eight million, eighty-six thousand, five hundred ninety-one".