166342067 has 2 divisors, whose sum is σ = 166342068. Its totient is φ = 166342066.

The previous prime is 166342031. The next prime is 166342079. The reversal of 166342067 is 760243661.

It is a strong prime.

It is an emirp because it is prime and its reverse (760243661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166342067 - 2¹⁶ = 166276531 is a prime.

It is a super-3 number, since 3×166342067³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (166342087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83171033 + 83171034.

It is an arithmetic number, because the mean of its divisors is an integer number (83171034).

Almost surely, 2^166342067 is an apocalyptic number.

166342067 is a deficient number, since it is larger than the sum of its proper divisors (1).

166342067 is an equidigital number, since it uses as much as digits as its factorization.

166342067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 166342067 is about 12897.3666692081. The cubic root of 166342067 is about 549.9637077981.

The spelling of 166342067 in words is "one hundred sixty-six million, three hundred forty-two thousand, sixty-seven".