66243300 has 36 divisors (see below), whose sum is σ = 191664816. Its totient is φ = 17664800.

The previous prime is 66243293. The next prime is 66243313. The reversal of 66243300 is 334266.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110106 + ... + 110705.

Almost surely, 2^66243300 is an apocalyptic number.

66243300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66243300 is an abundant number, since it is smaller than the sum of its proper divisors (125421516).

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

66243300 is a wasteful number, since it uses less digits than its factorization.

66243300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220828 (or 220821 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 66243300 is about 8138.9987099151. The cubic root of 66243300 is about 404.6199757893.

Adding to 66243300 its reverse (334266), we get a palindrome (66577566).

The spelling of 66243300 in words is "sixty-six million, two hundred forty-three thousand, three hundred".