1066555198 has 8 divisors (see below), whose sum is σ = 1601937360. Its totient is φ = 532576080.

The previous prime is 1066555169. The next prime is 1066555219. The reversal of 1066555198 is 8915556601.

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

It is a super-2 number, since 2×1066555198² = 2275079980761638408, which contains 22 as substring.

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, 348858 + ... + 351901.

It is an arithmetic number, because the mean of its divisors is an integer number (200242170).

Almost surely, 2^1066555198 is an apocalyptic number.

1066555198 is a deficient number, since it is larger than the sum of its proper divisors (535382162).

1066555198 is an equidigital number, since it uses as much as digits as its factorization.

1066555198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701522.

The product of its (nonzero) digits is 324000, while the sum is 46.

The square root of 1066555198 is about 32658.1566840506. The cubic root of 1066555198 is about 1021.7103171638.

The spelling of 1066555198 in words is "one billion, sixty-six million, five hundred fifty-five thousand, one hundred ninety-eight".