66234135 has 64 divisors (see below), whose sum is σ = 124747776. Its totient is φ = 29673600.

The previous prime is 66234109. The next prime is 66234137. The reversal of 66234135 is 53143266.

It is not a de Polignac number, because 66234135 - 2¹² = 66230039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66234137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117364 + ... + 117926.

It is an arithmetic number, because the mean of its divisors is an integer number (1949184).

Almost surely, 2^66234135 is an apocalyptic number.

66234135 is a deficient number, since it is larger than the sum of its proper divisors (58513641).

66234135 is a wasteful number, since it uses less digits than its factorization.

66234135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its digits is 12960, while the sum is 30.

The square root of 66234135 is about 8138.4356604940. The cubic root of 66234135 is about 404.6013147166.

The spelling of 66234135 in words is "sixty-six million, two hundred thirty-four thousand, one hundred thirty-five".