66234136 has 16 divisors (see below), whose sum is σ = 124275600. Its totient is φ = 33093984.

The previous prime is 66234109. The next prime is 66234137. The reversal of 66234136 is 63143266.

It is a junction number, because it is equal to n+sod(n) for n = 66234098 and 66234107.

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 3 ways as a sum of consecutive naturals, for example, 19750 + ... + 22858.

It is an arithmetic number, because the mean of its divisors is an integer number (7767225).

Almost surely, 2^66234136 is an apocalyptic number.

It is an amenable number.

66234136 is a deficient number, since it is larger than the sum of its proper divisors (58041464).

66234136 is a wasteful number, since it uses less digits than its factorization.

66234136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778 (or 5774 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 66234136 is about 8138.4357219308. The cubic root of 66234136 is about 404.6013167528.

The spelling of 66234136 in words is "sixty-six million, two hundred thirty-four thousand, one hundred thirty-six".