66622315006 has 64 divisors (see below), whose sum is σ = 109990960128. Its totient is φ = 30081558528.

The previous prime is 66622314893. The next prime is 66622315013. The reversal of 66622315006 is 60051322666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89666271 + ... + 89667013.

It is an arithmetic number, because the mean of its divisors is an integer number (1718608752).

Almost surely, 2^66622315006 is an apocalyptic number.

66622315006 is a deficient number, since it is larger than the sum of its proper divisors (43368645122).

66622315006 is a wasteful number, since it uses less digits than its factorization.

66622315006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 66622315006 in words is "sixty-six billion, six hundred twenty-two million, three hundred fifteen thousand, six".