66696602 has 8 divisors (see below), whose sum is σ = 114337056. Its totient is φ = 28584252.

The previous prime is 66696599. The next prime is 66696629. The reversal of 66696602 is 20669666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 66696602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382008 + ... + 2382035.

It is an arithmetic number, because the mean of its divisors is an integer number (14292132).

Almost surely, 2^66696602 is an apocalyptic number.

66696602 is a deficient number, since it is larger than the sum of its proper divisors (47640454).

66696602 is a wasteful number, since it uses less digits than its factorization.

66696602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764052.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 66696602 is about 8166.7987608365. The cubic root of 66696602 is about 405.5408148712.

The spelling of 66696602 in words is "sixty-six million, six hundred ninety-six thousand, six hundred two".