66650056301 has 16 divisors (see below), whose sum is σ = 68728320000. Its totient is φ = 64586740608.

The previous prime is 66650056267. The next prime is 66650056337. The reversal of 66650056301 is 10365005666.

It is not a de Polignac number, because 66650056301 - 2²⁶ = 66582947437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66650056901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23148980 + ... + 23151858.

It is an arithmetic number, because the mean of its divisors is an integer number (4295520000).

Almost surely, 2^66650056301 is an apocalyptic number.

It is an amenable number.

66650056301 is a deficient number, since it is larger than the sum of its proper divisors (2078263699).

66650056301 is a wasteful number, since it uses less digits than its factorization.

66650056301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 66650056301 in words is "sixty-six billion, six hundred fifty million, fifty-six thousand, three hundred one".