66270122448 has 20 divisors (see below), whose sum is σ = 171197816448. Its totient is φ = 22090040800.

The previous prime is 66270122423. The next prime is 66270122453. The reversal of 66270122448 is 84422107266.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690313728 + ... + 690313823.

Almost surely, 2^66270122448 is an apocalyptic number.

It is an amenable number.

66270122448 is an abundant number, since it is smaller than the sum of its proper divisors (104927694000).

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

66270122448 is a wasteful number, since it uses less digits than its factorization.

66270122448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380627562 (or 1380627556 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 66270122448 in words is "sixty-six billion, two hundred seventy million, one hundred twenty-two thousand, four hundred forty-eight".