66670134 has 16 divisors (see below), whose sum is σ = 133453872. Its totient is φ = 22204448.

The previous prime is 66670103. The next prime is 66670139. The reversal of 66670134 is 43107666.

It is a junction number, because it is equal to n+sod(n) for n = 66670095 and 66670104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66670139) 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, 4192 + ... + 12284.

It is an arithmetic number, because the mean of its divisors is an integer number (8340867).

Almost surely, 2^66670134 is an apocalyptic number.

66670134 is an abundant number, since it is smaller than the sum of its proper divisors (66783738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66670134 is a wasteful number, since it uses less digits than its factorization.

66670134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 66670134 is about 8165.1781364524. The cubic root of 66670134 is about 405.4871625903.

The spelling of 66670134 in words is "sixty-six million, six hundred seventy thousand, one hundred thirty-four".