1066650212 has 12 divisors (see below), whose sum is σ = 1867126380. Its totient is φ = 533185536.

The previous prime is 1066650199. The next prime is 1066650257. The reversal of 1066650212 is 2120566601.

It can be written as a sum of positive squares in 2 ways, for example, as 683508736 + 383141476 = 26144^2 + 19574^2 .

It is a super-2 number, since 2×1066650212² = 2275485349519289888, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16637 + ... + 49092.

It is an arithmetic number, because the mean of its divisors is an integer number (155593865).

Almost surely, 2^1066650212 is an apocalyptic number.

It is an amenable number.

1066650212 is a deficient number, since it is larger than the sum of its proper divisors (800476168).

1066650212 is a wasteful number, since it uses less digits than its factorization.

1066650212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69790 (or 69788 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1066650212 is about 32659.6113265299. The cubic root of 1066650212 is about 1021.7406559284.

The spelling of 1066650212 in words is "one billion, sixty-six million, six hundred fifty thousand, two hundred twelve".