66511201226 has 8 divisors (see below), whose sum is σ = 99799340160. Its totient is φ = 33244754508.

The previous prime is 66511201223. The next prime is 66511201297. The reversal of 66511201226 is 62210211566.

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 = 66511201192 and 66511201201.

It is not an unprimeable number, because it can be changed into a prime (66511201223) 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, 5415386 + ... + 5427653.

It is an arithmetic number, because the mean of its divisors is an integer number (12474917520).

Almost surely, 2^66511201226 is an apocalyptic number.

66511201226 is a deficient number, since it is larger than the sum of its proper divisors (33288138934).

66511201226 is a wasteful number, since it uses less digits than its factorization.

66511201226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10846108.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 66511201226 in words is "sixty-six billion, five hundred eleven million, two hundred one thousand, two hundred twenty-six".