558061066 has 4 divisors (see below), whose sum is σ = 837091602. Its totient is φ = 279030532.

The previous prime is 558061037. The next prime is 558061067. The reversal of 558061066 is 660160855.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 304328025 + 253733041 = 17445^2 + 15929^2 .

It is a super-2 number, since 2×558061066² = 622864306770112712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (558061067) 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 as a sum of consecutive naturals, namely, 139515265 + ... + 139515268.

Almost surely, 2^558061066 is an apocalyptic number.

558061066 is a deficient number, since it is larger than the sum of its proper divisors (279030536).

558061066 is a wasteful number, since it uses less digits than its factorization.

558061066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279030535.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 558061066 is about 23623.3161516329. The cubic root of 558061066 is about 823.3046622844.

The spelling of 558061066 in words is "five hundred fifty-eight million, sixty-one thousand, sixty-six".