166034471 has 2 divisors, whose sum is σ = 166034472. Its totient is φ = 166034470.

The previous prime is 166034467. The next prime is 166034507. The reversal of 166034471 is 174430661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166034471 - 2² = 166034467 is a prime.

It is a super-3 number, since 3×166034471³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166034431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83017235 + 83017236.

It is an arithmetic number, because the mean of its divisors is an integer number (83017236).

Almost surely, 2^166034471 is an apocalyptic number.

166034471 is a deficient number, since it is larger than the sum of its proper divisors (1).

166034471 is an equidigital number, since it uses as much as digits as its factorization.

166034471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 166034471 is about 12885.4363915236. The cubic root of 166034471 is about 549.6245051338.

The spelling of 166034471 in words is "one hundred sixty-six million, thirty-four thousand, four hundred seventy-one".