4608820064666 has 4 divisors (see below), whose sum is σ = 6913230097002. Its totient is φ = 2304410032332.

The previous prime is 4608820064621. The next prime is 4608820064711. The reversal of 4608820064666 is 6664600288064.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4608820064621) and next prime (4608820064711).

It can be written as a sum of positive squares in only one way, i.e., 4171540729225 + 437279335441 = 2042435^2 + 661271^2 .

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 as a sum of consecutive naturals, namely, 1152205016165 + ... + 1152205016168.

Almost surely, 2^{4608820064666} is an apocalyptic number.

4608820064666 is a deficient number, since it is larger than the sum of its proper divisors (2304410032336).

4608820064666 is a wasteful number, since it uses less digits than its factorization.

4608820064666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304410032335.

The product of its (nonzero) digits is 15925248, while the sum is 56.

The spelling of 4608820064666 in words is "four trillion, six hundred eight billion, eight hundred twenty million, sixty-four thousand, six hundred sixty-six".