166922027 has 2 divisors, whose sum is σ = 166922028. Its totient is φ = 166922026.

The previous prime is 166922009. The next prime is 166922039. The reversal of 166922027 is 720229661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166922027 - 2¹⁰ = 166921003 is a prime.

It is not a weakly prime, because it can be changed into another prime (166922227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83461013 + 83461014.

It is an arithmetic number, because the mean of its divisors is an integer number (83461014).

Almost surely, 2^166922027 is an apocalyptic number.

166922027 is a deficient number, since it is larger than the sum of its proper divisors (1).

166922027 is an equidigital number, since it uses as much as digits as its factorization.

166922027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 166922027 is about 12919.8307651455. The cubic root of 166922027 is about 550.6021251421.

The spelling of 166922027 in words is "one hundred sixty-six million, nine hundred twenty-two thousand, twenty-seven".