66414496 has 12 divisors (see below), whose sum is σ = 130753602. Its totient is φ = 33207232.

The previous prime is 66414473. The next prime is 66414533. The reversal of 66414496 is 69441466.

It can be written as a sum of positive squares in only one way, i.e., 63043600 + 3370896 = 7940^2 + 1836^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037695 + ... + 1037758.

Almost surely, 2^66414496 is an apocalyptic number.

It is an amenable number.

66414496 is a deficient number, since it is larger than the sum of its proper divisors (64339106).

66414496 is a wasteful number, since it uses less digits than its factorization.

66414496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075463 (or 2075455 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 66414496 is about 8149.5089422615. The cubic root of 66414496 is about 404.9682360904.

The spelling of 66414496 in words is "sixty-six million, four hundred fourteen thousand, four hundred ninety-six".