1066560198 has 32 divisors (see below), whose sum is σ = 2356508160. Its totient is φ = 319107360.

The previous prime is 1066560191. The next prime is 1066560199. The reversal of 1066560198 is 8910656601.

It is a happy number.

It is a super-2 number, since 2×1066560198² = 2275101311915598408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066560191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97065 + ... + 107492.

It is an arithmetic number, because the mean of its divisors is an integer number (73640880).

Almost surely, 2^1066560198 is an apocalyptic number.

1066560198 is an abundant number, since it is smaller than the sum of its proper divisors (1289947962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066560198 is a wasteful number, since it uses less digits than its factorization.

1066560198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204652.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1066560198 is about 32658.2332345153. The cubic root of 1066560198 is about 1021.7119137505.

The spelling of 1066560198 in words is "one billion, sixty-six million, five hundred sixty thousand, one hundred ninety-eight".