854545666 has 8 divisors (see below), whose sum is σ = 1380419964. Its totient is φ = 394405680.

The previous prime is 854545633. The next prime is 854545667. The reversal of 854545666 is 666545458.

854545666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 804913641 + 49632025 = 28371^2 + 7045^2 .

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

It is not an unprimeable number, because it can be changed into a prime (854545667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16433545 + ... + 16433596.

Almost surely, 2^854545666 is an apocalyptic number.

854545666 is a deficient number, since it is larger than the sum of its proper divisors (525874298).

854545666 is a wasteful number, since it uses less digits than its factorization.

854545666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32867156.

The product of its digits is 3456000, while the sum is 49.

The square root of 854545666 is about 29232.6130546005. The cubic root of 854545666 is about 948.9538496835.

The spelling of 854545666 in words is "eight hundred fifty-four million, five hundred forty-five thousand, six hundred sixty-six".