66736131701 has 8 divisors (see below), whose sum is σ = 67356537600. Its totient is φ = 66115874160.

The previous prime is 66736131697. The next prime is 66736131703. The reversal of 66736131701 is 10713163766.

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 66736131701 - 2² = 66736131697 is a prime.

It is a super-3 number, since 3×66736131701³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66736131703) 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 7 ways as a sum of consecutive naturals, for example, 1000916 + ... + 1065506.

It is an arithmetic number, because the mean of its divisors is an integer number (8419567200).

Almost surely, 2^66736131701 is an apocalyptic number.

It is an amenable number.

66736131701 is a deficient number, since it is larger than the sum of its proper divisors (620405899).

66736131701 is a wasteful number, since it uses less digits than its factorization.

66736131701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74179.

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 66736131701 in words is "sixty-six billion, seven hundred thirty-six million, one hundred thirty-one thousand, seven hundred one".