67221705066 has 8 divisors (see below), whose sum is σ = 134443410144. Its totient is φ = 22407235020.

The previous prime is 67221705011. The next prime is 67221705091. The reversal of 67221705066 is 66050712276.

It is a sphenic number, since it is the product of 3 distinct primes.

67221705066 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5601808750 + ... + 5601808761.

It is an arithmetic number, because the mean of its divisors is an integer number (16805426268).

Almost surely, 2^67221705066 is an apocalyptic number.

67221705066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67221705066 is a wasteful number, since it uses less digits than its factorization.

67221705066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11203617516.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 67221705066 in words is "sixty-seven billion, two hundred twenty-one million, seven hundred five thousand, sixty-six".