66146063 has 2 divisors, whose sum is σ = 66146064. Its totient is φ = 66146062.

The previous prime is 66146057. The next prime is 66146107. The reversal of 66146063 is 36064166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66146063 - 2¹⁰ = 66145039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66146363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33073031 + 33073032.

It is an arithmetic number, because the mean of its divisors is an integer number (33073032).

Almost surely, 2^66146063 is an apocalyptic number.

66146063 is a deficient number, since it is larger than the sum of its proper divisors (1).

66146063 is an equidigital number, since it uses as much as digits as its factorization.

66146063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 66146063 is about 8133.0229927131. The cubic root of 66146063 is about 404.4219014229.

The spelling of 66146063 in words is "sixty-six million, one hundred forty-six thousand, sixty-three".