66118135 has 8 divisors (see below), whose sum is σ = 80127936. Its totient is φ = 52370400.

The previous prime is 66118127. The next prime is 66118141. The reversal of 66118135 is 53181166.

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

It is not a de Polignac number, because 66118135 - 2³ = 66118127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66118097 and 66118106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64959 + ... + 65968.

It is an arithmetic number, because the mean of its divisors is an integer number (10015992).

Almost surely, 2^66118135 is an apocalyptic number.

66118135 is a deficient number, since it is larger than the sum of its proper divisors (14009801).

66118135 is a wasteful number, since it uses less digits than its factorization.

66118135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131033.

The product of its digits is 4320, while the sum is 31.

The square root of 66118135 is about 8131.3058606844. The cubic root of 66118135 is about 404.3649754607.

The spelling of 66118135 in words is "sixty-six million, one hundred eighteen thousand, one hundred thirty-five".