66063446 has 8 divisors (see below), whose sum is σ = 99129744. Its totient is φ = 33020200.

The previous prime is 66063443. The next prime is 66063457. The reversal of 66063446 is 64436066.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66063443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7616 + ... + 13788.

It is an arithmetic number, because the mean of its divisors is an integer number (12391218).

Almost surely, 2^66063446 is an apocalyptic number.

66063446 is a deficient number, since it is larger than the sum of its proper divisors (33066298).

66063446 is a wasteful number, since it uses less digits than its factorization.

66063446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 66063446 is about 8127.9422980235. The cubic root of 66063446 is about 404.2534557989.

The spelling of 66063446 in words is "sixty-six million, sixty-three thousand, four hundred forty-six".