8557451966 has 8 divisors (see below), whose sum is σ = 14669917680. Its totient is φ = 3667479408.

The previous prime is 8557451939. The next prime is 8557452011. The reversal of 8557451966 is 6691547558.

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

It is a Curzon number.

It is a congruent number.

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, 305623271 + ... + 305623298.

It is an arithmetic number, because the mean of its divisors is an integer number (1833739710).

Almost surely, 2^8557451966 is an apocalyptic number.

8557451966 is a deficient number, since it is larger than the sum of its proper divisors (6112465714).

8557451966 is a wasteful number, since it uses less digits than its factorization.

8557451966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611246578.

The product of its digits is 9072000, while the sum is 56.

The square root of 8557451966 is about 92506.4968853539. The cubic root of 8557451966 is about 2045.4152520246.

The spelling of 8557451966 in words is "eight billion, five hundred fifty-seven million, four hundred fifty-one thousand, nine hundred sixty-six".