66597134 has 4 divisors (see below), whose sum is σ = 99895704. Its totient is φ = 33298566.

The previous prime is 66597133. The next prime is 66597163. The reversal of 66597134 is 43179566.

66597134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 66597091 and 66597100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66597131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16649282 + ... + 16649285.

It is an arithmetic number, because the mean of its divisors is an integer number (24973926).

Almost surely, 2^66597134 is an apocalyptic number.

66597134 is a deficient number, since it is larger than the sum of its proper divisors (33298570).

66597134 is a wasteful number, since it uses less digits than its factorization.

66597134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33298569.

The product of its digits is 136080, while the sum is 41.

The square root of 66597134 is about 8160.7067095932. The cubic root of 66597134 is about 405.3391134249.

The spelling of 66597134 in words is "sixty-six million, five hundred ninety-seven thousand, one hundred thirty-four".