66222371088 has 60 divisors (see below), whose sum is σ = 195084917040. Its totient is φ = 20912326848.

The previous prime is 66222371087. The next prime is 66222371147. The reversal of 66222371088 is 88017322266.

66222371088 is a `hidden beast` number, since 6 + 622 + 2 + 3 + 7 + 10 + 8 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (66222371087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12099306 + ... + 12104777.

It is an arithmetic number, because the mean of its divisors is an integer number (3251415284).

Almost surely, 2^66222371088 is an apocalyptic number.

It is an amenable number.

66222371088 is an abundant number, since it is smaller than the sum of its proper divisors (128862545952).

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

66222371088 is a wasteful number, since it uses less digits than its factorization.

66222371088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24204116 (or 24204107 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 66222371088 in words is "sixty-six billion, two hundred twenty-two million, three hundred seventy-one thousand, eighty-eight".