66630661301 has 8 divisors (see below), whose sum is σ = 68808292608. Its totient is φ = 64454796000.

The previous prime is 66630661297. The next prime is 66630661397. The reversal of 66630661301 is 10316603666.

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

It is a cyclic number.

It is not a de Polignac number, because 66630661301 - 2² = 66630661297 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 (66630661001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364595 + ... + 515936.

It is an arithmetic number, because the mean of its divisors is an integer number (8601036576).

Almost surely, 2^66630661301 is an apocalyptic number.

It is an amenable number.

66630661301 is a deficient number, since it is larger than the sum of its proper divisors (2177631307).

66630661301 is a wasteful number, since it uses less digits than its factorization.

66630661301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883003.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 66630661301 in words is "sixty-six billion, six hundred thirty million, six hundred sixty-one thousand, three hundred one".