66063294 has 96 divisors (see below), whose sum is σ = 165335040. Its totient is φ = 18878400.

The previous prime is 66063293. The next prime is 66063307. The reversal of 66063294 is 49236066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66063293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288372 + ... + 288600.

It is an arithmetic number, because the mean of its divisors is an integer number (1722240).

Almost surely, 2^66063294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66063294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82667520).

66063294 is an abundant number, since it is smaller than the sum of its proper divisors (99271746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66063294 is a wasteful number, since it uses less digits than its factorization.

66063294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 66063294 is about 8127.9329475581. The cubic root of 66063294 is about 404.2531457607.

The spelling of 66063294 in words is "sixty-six million, sixty-three thousand, two hundred ninety-four".