66622620626 has 8 divisors (see below), whose sum is σ = 100165797504. Its totient is φ = 33234021460.

The previous prime is 66622620601. The next prime is 66622620641. The reversal of 66622620626 is 62602622666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38643350 + ... + 38645073.

It is an arithmetic number, because the mean of its divisors is an integer number (12520724688).

Almost surely, 2^66622620626 is an apocalyptic number.

66622620626 is a deficient number, since it is larger than the sum of its proper divisors (33543176878).

66622620626 is a wasteful number, since it uses less digits than its factorization.

66622620626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77288856.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 66622620626 in words is "sixty-six billion, six hundred twenty-two million, six hundred twenty thousand, six hundred twenty-six".