64188268105667 has 2 divisors, whose sum is σ = 64188268105668. Its totient is φ = 64188268105666.

The previous prime is 64188268105613. The next prime is 64188268105679. The reversal of 64188268105667 is 76650186288146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64188268105667 - 2¹⁰ = 64188268104643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64188268105597 and 64188268105606.

It is not a weakly prime, because it can be changed into another prime (64188268105267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32094134052833 + 32094134052834.

It is an arithmetic number, because the mean of its divisors is an integer number (32094134052834).

Almost surely, 2^{64188268105667} is an apocalyptic number.

64188268105667 is a deficient number, since it is larger than the sum of its proper divisors (1).

64188268105667 is an equidigital number, since it uses as much as digits as its factorization.

64188268105667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185794560, while the sum is 68.

The spelling of 64188268105667 in words is "sixty-four trillion, one hundred eighty-eight billion, two hundred sixty-eight million, one hundred five thousand, six hundred sixty-seven".