66226671498 has 32 divisors (see below), whose sum is σ = 142753455936. Its totient is φ = 20361523968.

The previous prime is 66226671449. The next prime is 66226671509. The reversal of 66226671498 is 89417662266.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230815 + ... + 430962.

It is an arithmetic number, because the mean of its divisors is an integer number (4461045498).

Almost surely, 2^66226671498 is an apocalyptic number.

66226671498 is an abundant number, since it is smaller than the sum of its proper divisors (76526784438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66226671498 is a wasteful number, since it uses less digits than its factorization.

66226671498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663078.

The product of its digits is 10450944, while the sum is 57.

The spelling of 66226671498 in words is "sixty-six billion, two hundred twenty-six million, six hundred seventy-one thousand, four hundred ninety-eight".