65223301666 has 8 divisors (see below), whose sum is σ = 97836603984. Its totient is φ = 32611100340.

The previous prime is 65223301639. The next prime is 65223301679. The reversal of 65223301666 is 66610332256.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106440 + ... + 376531.

It is an arithmetic number, because the mean of its divisors is an integer number (12229575498).

Almost surely, 2^65223301666 is an apocalyptic number.

65223301666 is a deficient number, since it is larger than the sum of its proper divisors (32613302318).

65223301666 is a wasteful number, since it uses less digits than its factorization.

65223301666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550496.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 65223301666 in words is "sixty-five billion, two hundred twenty-three million, three hundred one thousand, six hundred sixty-six".