1066042368 has 132 divisors (see below), whose sum is σ = 3105184368. Its totient is φ = 352235520.

The previous prime is 1066042363. The next prime is 1066042421. The reversal of 1066042368 is 8632406601.

1066042368 is a `hidden beast` number, since 10 + 6 + 604 + 2 + 36 + 8 = 666.

It is a super-2 number, since 2×1066042368² = 2272892660742094848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1066042361) 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 in 11 ways as a sum of consecutive naturals, for example, 1206855 + ... + 1207737.

It is an arithmetic number, because the mean of its divisors is an integer number (23524124).

Almost surely, 2^1066042368 is an apocalyptic number.

1066042368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066042368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552592184).

1066042368 is an abundant number, since it is smaller than the sum of its proper divisors (2039142000).

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

1066042368 is a wasteful number, since it uses less digits than its factorization.

1066042368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1066042368 is about 32650.3042558565. The cubic root of 1066042368 is about 1021.5465351410.

Adding to 1066042368 its reverse (8632406601), we get a palindrome (9698448969).

The spelling of 1066042368 in words is "one billion, sixty-six million, forty-two thousand, three hundred sixty-eight".