66753542200 has 48 divisors (see below), whose sum is σ = 156945870000. Its totient is φ = 26401393920.

The previous prime is 66753542189. The next prime is 66753542227. The reversal of 66753542200 is 224535766.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1857300 + ... + 1892899.

It is an arithmetic number, because the mean of its divisors is an integer number (3269705625).

Almost surely, 2^66753542200 is an apocalyptic number.

It is an amenable number.

66753542200 is an abundant number, since it is smaller than the sum of its proper divisors (90192327800).

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

66753542200 is a wasteful number, since it uses less digits than its factorization.

66753542200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750304 (or 3750295 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 66753542200 in words is "sixty-six billion, seven hundred fifty-three million, five hundred forty-two thousand, two hundred".