66226226646064 has 20 divisors (see below), whose sum is σ = 128318546399904. Its totient is φ = 33111763059008.

The previous prime is 66226226646037. The next prime is 66226226646137. The reversal of 66226226646064 is 46064662262266.

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, 83986807 + ... + 84771670.

Almost surely, 2^{66226226646064} is an apocalyptic number.

It is an amenable number.

66226226646064 is a deficient number, since it is larger than the sum of its proper divisors (62092319753840).

66226226646064 is a wasteful number, since it uses less digits than its factorization.

66226226646064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168783012 (or 168783006 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 58.

The spelling of 66226226646064 in words is "sixty-six trillion, two hundred twenty-six billion, two hundred twenty-six million, six hundred forty-six thousand, sixty-four".