66026063 has 8 divisors (see below), whose sum is σ = 68468736. Its totient is φ = 63603000.

The previous prime is 66026041. The next prime is 66026071. The reversal of 66026063 is 36062066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66026063 - 2¹⁰ = 66025039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66026003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2138 + ... + 11688.

It is an arithmetic number, because the mean of its divisors is an integer number (8558592).

Almost surely, 2^66026063 is an apocalyptic number.

66026063 is a deficient number, since it is larger than the sum of its proper divisors (2442673).

66026063 is a wasteful number, since it uses less digits than its factorization.

66026063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9805.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 66026063 is about 8125.6423130729. The cubic root of 66026063 is about 404.1771904346.

The spelling of 66026063 in words is "sixty-six million, twenty-six thousand, sixty-three".