552016666 has 8 divisors (see below), whose sum is σ = 830050740. Its totient is φ = 275333088.

The previous prime is 552016643. The next prime is 552016667. The reversal of 552016666 is 666610255.

It can be written as a sum of positive squares in 2 ways, for example, as 550137025 + 1879641 = 23455^2 + 1371^2 .

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 (552016667) 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, 336601 + ... + 338236.

Almost surely, 2^552016666 is an apocalyptic number.

552016666 is a deficient number, since it is larger than the sum of its proper divisors (278034074).

552016666 is a wasteful number, since it uses less digits than its factorization.

552016666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675248.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 552016666 is about 23495.0349222979. The cubic root of 552016666 is about 820.3214414972.

The spelling of 552016666 in words is "five hundred fifty-two million, sixteen thousand, six hundred sixty-six".