66224622204 has 72 divisors (see below), whose sum is σ = 190882757520. Its totient is φ = 19178168832.

The previous prime is 66224622193. The next prime is 66224622239. The reversal of 66224622204 is 40222642266.

66224622204 is a `hidden beast` number, since 6 + 6 + 2 + 2 + 4 + 622 + 20 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4153974 + ... + 4169885.

It is an arithmetic number, because the mean of its divisors is an integer number (2651149410).

Almost surely, 2^66224622204 is an apocalyptic number.

It is an amenable number.

66224622204 is an abundant number, since it is smaller than the sum of its proper divisors (124658135316).

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

66224622204 is a wasteful number, since it uses less digits than its factorization.

66224622204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8323899 (or 8323894 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 66224622204 in words is "sixty-six billion, two hundred twenty-four million, six hundred twenty-two thousand, two hundred four".