166944467 has 2 divisors, whose sum is σ = 166944468. Its totient is φ = 166944466.

The previous prime is 166944461. The next prime is 166944487. The reversal of 166944467 is 764449661.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166944467 is a prime.

It is not a weakly prime, because it can be changed into another prime (166944461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83472233 + 83472234.

It is an arithmetic number, because the mean of its divisors is an integer number (83472234).

Almost surely, 2^166944467 is an apocalyptic number.

166944467 is a deficient number, since it is larger than the sum of its proper divisors (1).

166944467 is an equidigital number, since it uses as much as digits as its factorization.

166944467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 47.

The square root of 166944467 is about 12920.6991683887. The cubic root of 166944467 is about 550.6267972566.

The spelling of 166944467 in words is "one hundred sixty-six million, nine hundred forty-four thousand, four hundred sixty-seven".