166064467 has 2 divisors, whose sum is σ = 166064468. Its totient is φ = 166064466.

The previous prime is 166064447. The next prime is 166064497. The reversal of 166064467 is 764460661.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (764460661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166064467 - 2²⁷ = 31846739 is a prime.

It is not a weakly prime, because it can be changed into another prime (166064417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83032233 + 83032234.

It is an arithmetic number, because the mean of its divisors is an integer number (83032234).

Almost surely, 2^166064467 is an apocalyptic number.

166064467 is a deficient number, since it is larger than the sum of its proper divisors (1).

166064467 is an equidigital number, since it uses as much as digits as its factorization.

166064467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 166064467 is about 12886.6002886720. The cubic root of 166064467 is about 549.6576017629.

The spelling of 166064467 in words is "one hundred sixty-six million, sixty-four thousand, four hundred sixty-seven".