66672854600 has 48 divisors (see below), whose sum is σ = 169106609520. Its totient is φ = 24244673600.

The previous prime is 66672854587. The next prime is 66672854603. The reversal of 66672854600 is 645827666.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (66672854603) 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 11 ways as a sum of consecutive naturals, for example, 15150722 + ... + 15155121.

It is an arithmetic number, because the mean of its divisors is an integer number (3523054365).

Almost surely, 2^66672854600 is an apocalyptic number.

It is an amenable number.

66672854600 is an abundant number, since it is smaller than the sum of its proper divisors (102433754920).

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

66672854600 is a wasteful number, since it uses less digits than its factorization.

66672854600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30305870 (or 30305861 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 66672854600 in words is "sixty-six billion, six hundred seventy-two million, eight hundred fifty-four thousand, six hundred".