66263368 has 32 divisors (see below), whose sum is σ = 133839360. Its totient is φ = 30666240.

The previous prime is 66263359. The next prime is 66263371. The reversal of 66263368 is 86336266.

It is a happy number.

66263368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66263368.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 11512.

It is an arithmetic number, because the mean of its divisors is an integer number (4182480).

Almost surely, 2^66263368 is an apocalyptic number.

It is an amenable number.

66263368 is an abundant number, since it is smaller than the sum of its proper divisors (67575992).

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

66263368 is a wasteful number, since it uses less digits than its factorization.

66263368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677 (or 11673 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The square root of 66263368 is about 8140.2314463411. The cubic root of 66263368 is about 404.6608307077.

The spelling of 66263368 in words is "sixty-six million, two hundred sixty-three thousand, three hundred sixty-eight".