1066650208 has 144 divisors (see below), whose sum is σ = 2446533936. Its totient is φ = 454671360.

The previous prime is 1066650199. The next prime is 1066650257. The reversal of 1066650208 is 8020566601.

It is a super-2 number, since 2×1066650208² = 2275485332452886528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8142303 + ... + 8142433.

It is an arithmetic number, because the mean of its divisors is an integer number (16989819).

Almost surely, 2^1066650208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066650208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223266968).

1066650208 is an abundant number, since it is smaller than the sum of its proper divisors (1379883728).

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

1066650208 is a wasteful number, since it uses less digits than its factorization.

1066650208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1066650208 is about 32659.6112652922. The cubic root of 1066650208 is about 1021.7406546512.

The spelling of 1066650208 in words is "one billion, sixty-six million, six hundred fifty thousand, two hundred eight".