66606636301 has 8 divisors (see below), whose sum is σ = 69920582400. Its totient is φ = 63365524320.

The previous prime is 66606636251. The next prime is 66606636391. The reversal of 66606636301 is 10363660666.

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 66606636301 - 2¹⁵ = 66606603533 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 (66606636391) 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, 18206656 + ... + 18210313.

It is an arithmetic number, because the mean of its divisors is an integer number (8740072800).

Almost surely, 2^66606636301 is an apocalyptic number.

It is an amenable number.

66606636301 is a deficient number, since it is larger than the sum of its proper divisors (3313946099).

66606636301 is a wasteful number, since it uses less digits than its factorization.

66606636301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36417059.

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 66606636301 in words is "sixty-six billion, six hundred six million, six hundred thirty-six thousand, three hundred one".