66201406645046 has 8 divisors (see below), whose sum is σ = 99934607483760. Its totient is φ = 32889870817128.

The previous prime is 66201406645043. The next prime is 66201406645057. The reversal of 66201406645046 is 64054660410266.

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

It is a junction number, because it is equal to n+sod(n) for n = 66201406644985 and 66201406645003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66201406645043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105416252306 + ... + 105416252933.

It is an arithmetic number, because the mean of its divisors is an integer number (12491825935470).

Almost surely, 2^{66201406645046} is an apocalyptic number.

66201406645046 is a deficient number, since it is larger than the sum of its proper divisors (33733200838714).

66201406645046 is a wasteful number, since it uses less digits than its factorization.

66201406645046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210832505398.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 66201406645046 in words is "sixty-six trillion, two hundred one billion, four hundred six million, six hundred forty-five thousand, forty-six".