66704326204 has 24 divisors (see below), whose sum is σ = 117963020448. Its totient is φ = 33002173440.

The previous prime is 66704326177. The next prime is 66704326207. The reversal of 66704326204 is 40262340766.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66704326207) 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, 25269 + ... + 366124.

It is an arithmetic number, because the mean of its divisors is an integer number (4915125852).

Almost surely, 2^66704326204 is an apocalyptic number.

It is an amenable number.

66704326204 is a deficient number, since it is larger than the sum of its proper divisors (51258694244).

66704326204 is a wasteful number, since it uses less digits than its factorization.

66704326204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391845 (or 391843 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 66704326204 in words is "sixty-six billion, seven hundred four million, three hundred twenty-six thousand, two hundred four".