66214995422 has 8 divisors (see below), whose sum is σ = 101005925400. Its totient is φ = 32546353624.

The previous prime is 66214995409. The next prime is 66214995439. The reversal of 66214995422 is 22459941266.

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

It is a congruent 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, 280571897 + ... + 280572132.

It is an arithmetic number, because the mean of its divisors is an integer number (12625740675).

Almost surely, 2^66214995422 is an apocalyptic number.

66214995422 is a deficient number, since it is larger than the sum of its proper divisors (34790929978).

66214995422 is a wasteful number, since it uses less digits than its factorization.

66214995422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561144090.

The product of its digits is 1866240, while the sum is 50.

The spelling of 66214995422 in words is "sixty-six billion, two hundred fourteen million, nine hundred ninety-five thousand, four hundred twenty-two".