66622372626 has 32 divisors (see below), whose sum is σ = 137878007040. Its totient is φ = 21435676416.

The previous prime is 66622372589. The next prime is 66622372639. The reversal of 66622372626 is 62627322666.

It is a Curzon 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, 591495 + ... + 695061.

It is an arithmetic number, because the mean of its divisors is an integer number (4308687720).

Almost surely, 2^66622372626 is an apocalyptic number.

66622372626 is an abundant number, since it is smaller than the sum of its proper divisors (71255634414).

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

66622372626 is a wasteful number, since it uses less digits than its factorization.

66622372626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107298.

The product of its digits is 2612736, while the sum is 48.

The spelling of 66622372626 in words is "sixty-six billion, six hundred twenty-two million, three hundred seventy-two thousand, six hundred twenty-six".