66422046242 has 8 divisors (see below), whose sum is σ = 103964942016. Its totient is φ = 31767065572.

The previous prime is 66422046241. The next prime is 66422046253. The reversal of 66422046242 is 24264022466.

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

It is a junction number, because it is equal to n+sod(n) for n = 66422046196 and 66422046205.

It is not an unprimeable number, because it can be changed into a prime (66422046241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721978718 + ... + 721978809.

It is an arithmetic number, because the mean of its divisors is an integer number (12995617752).

Almost surely, 2^66422046242 is an apocalyptic number.

66422046242 is a deficient number, since it is larger than the sum of its proper divisors (37542895774).

66422046242 is a wasteful number, since it uses less digits than its factorization.

66422046242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443957552.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 66422046242 in words is "sixty-six billion, four hundred twenty-two million, forty-six thousand, two hundred forty-two".