66636614013 has 8 divisors (see below), whose sum is σ = 88871448000. Its totient is φ = 44413094688.

The previous prime is 66636614003. The next prime is 66636614069. The reversal of 66636614013 is 31041663666.

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

It is not a de Polignac number, because 66636614013 - 2⁶ = 66636613949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66636614003) 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, 2814913 + ... + 2838486.

It is an arithmetic number, because the mean of its divisors is an integer number (11108931000).

Almost surely, 2^66636614013 is an apocalyptic number.

It is an amenable number.

66636614013 is a deficient number, since it is larger than the sum of its proper divisors (22234833987).

66636614013 is a wasteful number, since it uses less digits than its factorization.

66636614013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657331.

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 66636614013 in words is "sixty-six billion, six hundred thirty-six million, six hundred fourteen thousand, thirteen".