66136041 has 8 divisors (see below), whose sum is σ = 97979360. Its totient is φ = 44090676.

The previous prime is 66136019. The next prime is 66136043. The reversal of 66136041 is 14063166.

66136041 is a `hidden beast` number, since 6 + 613 + 6 + 0 + 41 = 666.

It is not a de Polignac number, because 66136041 - 2¹⁴ = 66119657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2449483 = 66136041 / (6 + 6 + 1 + 3 + 6 + 0 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66135996 and 66136014.

It is not an unprimeable number, because it can be changed into a prime (66136043) 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, 1224715 + ... + 1224768.

It is an arithmetic number, because the mean of its divisors is an integer number (12247420).

Almost surely, 2^66136041 is an apocalyptic number.

It is an amenable number.

66136041 is a deficient number, since it is larger than the sum of its proper divisors (31843319).

66136041 is a wasteful number, since it uses less digits than its factorization.

66136041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449492 (or 2449486 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 66136041 is about 8132.4068393066. The cubic root of 66136041 is about 404.4014753092.

The spelling of 66136041 in words is "sixty-six million, one hundred thirty-six thousand, forty-one".