66422204662 has 16 divisors (see below), whose sum is σ = 111218576832. Its totient is φ = 29489773320.

The previous prime is 66422204647. The next prime is 66422204669. The reversal of 66422204662 is 26640222466.

It is a happy number.

It is a super-2 number, since 2×66422204662² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66422204669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35105928 + ... + 35107819.

It is an arithmetic number, because the mean of its divisors is an integer number (6951161052).

Almost surely, 2^66422204662 is an apocalyptic number.

66422204662 is a deficient number, since it is larger than the sum of its proper divisors (44796372170).

66422204662 is a wasteful number, since it uses less digits than its factorization.

66422204662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70213803.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 66422204662 in words is "sixty-six billion, four hundred twenty-two million, two hundred four thousand, six hundred sixty-two".