20167000166659 has 2 divisors, whose sum is σ = 20167000166660. Its totient is φ = 20167000166658.

The previous prime is 20167000166653. The next prime is 20167000166741. The reversal of 20167000166659 is 95666100076102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20167000166659 - 2¹⁷ = 20167000035587 is a prime.

It is not a weakly prime, because it can be changed into another prime (20167000166653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10083500083329 + 10083500083330.

It is an arithmetic number, because the mean of its divisors is an integer number (10083500083330).

Almost surely, 2^{20167000166659} is an apocalyptic number.

20167000166659 is a deficient number, since it is larger than the sum of its proper divisors (1).

20167000166659 is an equidigital number, since it uses as much as digits as its factorization.

20167000166659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 20167000166659 in words is "twenty trillion, one hundred sixty-seven billion, one hundred sixty-six thousand, six hundred fifty-nine".