66136210005 has 16 divisors (see below), whose sum is σ = 106030008000. Its totient is φ = 35201954688.

The previous prime is 66136210003. The next prime is 66136210009. The reversal of 66136210005 is 50001263166.

It is not a de Polignac number, because 66136210005 - 2¹ = 66136210003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66136210003) 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 15 ways as a sum of consecutive naturals, for example, 4410432 + ... + 4425401.

It is an arithmetic number, because the mean of its divisors is an integer number (6626875500).

Almost surely, 2^66136210005 is an apocalyptic number.

It is an amenable number.

66136210005 is a deficient number, since it is larger than the sum of its proper divisors (39893797995).

66136210005 is a wasteful number, since it uses less digits than its factorization.

66136210005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836340.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 66136210005 in words is "sixty-six billion, one hundred thirty-six million, two hundred ten thousand, five".