534553666 has 8 divisors (see below), whose sum is σ = 801928764. Its totient is φ = 267244080.

The previous prime is 534553639. The next prime is 534553667. The reversal of 534553666 is 666355435.

It can be written as a sum of positive squares in 2 ways, for example, as 438023041 + 96530625 = 20929^2 + 9825^2 .

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 (534553667) 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, 22156 + ... + 39496.

Almost surely, 2^534553666 is an apocalyptic number.

534553666 is a deficient number, since it is larger than the sum of its proper divisors (267375098).

534553666 is a wasteful number, since it uses less digits than its factorization.

534553666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32756.

The product of its digits is 972000, while the sum is 43.

The square root of 534553666 is about 23120.4166484949. The cubic root of 534553666 is about 811.5783207357.

It can be divided in two parts, 53455 and 3666, that added together give a square (57121 = 239²).

The spelling of 534553666 in words is "five hundred thirty-four million, five hundred fifty-three thousand, six hundred sixty-six".