66622202042 has 8 divisors (see below), whose sum is σ = 109018148832. Its totient is φ = 30282819100.

The previous prime is 66622202041. The next prime is 66622202051. The reversal of 66622202042 is 24020222666.

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

It is not an unprimeable number, because it can be changed into a prime (66622202041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514140934 + ... + 1514140977.

It is an arithmetic number, because the mean of its divisors is an integer number (13627268604).

Almost surely, 2^66622202042 is an apocalyptic number.

66622202042 is a deficient number, since it is larger than the sum of its proper divisors (42395946790).

66622202042 is a wasteful number, since it uses less digits than its factorization.

66622202042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028281924.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 66622202042 in words is "sixty-six billion, six hundred twenty-two million, two hundred two thousand, forty-two".