66363724701 has 12 divisors (see below), whose sum is σ = 96042006528. Its totient is φ = 44157886344.

The previous prime is 66363724673. The next prime is 66363724793. The reversal of 66363724701 is 10742736366.

66363724701 is a `hidden beast` number, since 6 + 6 + 3 + 637 + 2 + 4 + 7 + 0 + 1 = 666.

It is not a de Polignac number, because 66363724701 - 2¹⁰ = 66363723677 is a prime.

It is a super-3 number, since 3×66363724701³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66363724201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7044765 + ... + 7054178.

It is an arithmetic number, because the mean of its divisors is an integer number (8003500544).

Almost surely, 2^66363724701 is an apocalyptic number.

It is an amenable number.

66363724701 is a deficient number, since it is larger than the sum of its proper divisors (29678281827).

66363724701 is a wasteful number, since it uses less digits than its factorization.

66363724701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14099472 (or 14099469 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 66363724701 in words is "sixty-six billion, three hundred sixty-three million, seven hundred twenty-four thousand, seven hundred one".