66104476 has 6 divisors (see below), whose sum is σ = 115682840. Its totient is φ = 33052236.

The previous prime is 66104471. The next prime is 66104501. The reversal of 66104476 is 67440166.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66104471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8263056 + ... + 8263063.

Almost surely, 2^66104476 is an apocalyptic number.

It is an amenable number.

66104476 is a deficient number, since it is larger than the sum of its proper divisors (49578364).

66104476 is a wasteful number, since it uses less digits than its factorization.

66104476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16526123 (or 16526121 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 66104476 is about 8130.4659153089. The cubic root of 66104476 is about 404.3371283273.

The spelling of 66104476 in words is "sixty-six million, one hundred four thousand, four hundred seventy-six".