66263316 has 24 divisors (see below), whose sum is σ = 176702400. Its totient is φ = 18932352.

The previous prime is 66263311. The next prime is 66263333. The reversal of 66263316 is 61336266.

It is a happy number.

66263316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66263311) by changing a digit.

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, 394341 + ... + 394508.

It is an arithmetic number, because the mean of its divisors is an integer number (7362600).

Almost surely, 2^66263316 is an apocalyptic number.

It is an amenable number.

66263316 is an abundant number, since it is smaller than the sum of its proper divisors (110439084).

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

66263316 is a wasteful number, since it uses less digits than its factorization.

66263316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788863 (or 788861 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 66263316 is about 8140.2282523281. The cubic root of 66263316 is about 404.6607248555.

The spelling of 66263316 in words is "sixty-six million, two hundred sixty-three thousand, three hundred sixteen".