20366670167 has 2 divisors, whose sum is σ = 20366670168. Its totient is φ = 20366670166.

The previous prime is 20366670161. The next prime is 20366670229. The reversal of 20366670167 is 76107666302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20366670167 - 2²⁸ = 20098234711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20366670161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10183335083 + 10183335084.

It is an arithmetic number, because the mean of its divisors is an integer number (10183335084).

Almost surely, 2^20366670167 is an apocalyptic number.

20366670167 is a deficient number, since it is larger than the sum of its proper divisors (1).

20366670167 is an equidigital number, since it uses as much as digits as its factorization.

20366670167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 20366670167 in words is "twenty billion, three hundred sixty-six million, six hundred seventy thousand, one hundred sixty-seven".