66404096 has 36 divisors (see below), whose sum is σ = 144604824. Its totient is φ = 30182400.

The previous prime is 66404089. The next prime is 66404101. The reversal of 66404096 is 69040466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8975 + ... + 14606.

Almost surely, 2^66404096 is an apocalyptic number.

It is an amenable number.

66404096 is an abundant number, since it is smaller than the sum of its proper divisors (78200728).

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

66404096 is a wasteful number, since it uses less digits than its factorization.

66404096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23608 (or 23594 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 66404096 is about 8148.8708420247. The cubic root of 66404096 is about 404.9470966817.

The spelling of 66404096 in words is "sixty-six million, four hundred four thousand, ninety-six".