8628417666 has 48 divisors (see below), whose sum is σ = 20475812448. Its totient is φ = 2604240000.

The previous prime is 8628417661. The next prime is 8628417667. The reversal of 8628417666 is 6667148268.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8628417661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37111 + ... + 136506.

It is an arithmetic number, because the mean of its divisors is an integer number (426579426).

Almost surely, 2^8628417666 is an apocalyptic number.

8628417666 is an abundant number, since it is smaller than the sum of its proper divisors (11847394782).

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

8628417666 is a wasteful number, since it uses less digits than its factorization.

8628417666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173887 (or 173884 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 8628417666 is about 92889.2763778468. The cubic root of 8628417666 is about 2051.0538041036.

The spelling of 8628417666 in words is "eight billion, six hundred twenty-eight million, four hundred seventeen thousand, six hundred sixty-six".