1066540002 has 64 divisors (see below), whose sum is σ = 2365061760. Its totient is φ = 317952000.

The previous prime is 1066539997. The next prime is 1066540003. The reversal of 1066540002 is 2000456601.

It is a super-2 number, since 2×1066540002² = 2275015151732320008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066540003) 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 31 ways as a sum of consecutive naturals, for example, 1286124 + ... + 1286952.

It is an arithmetic number, because the mean of its divisors is an integer number (36954090).

Almost surely, 2^1066540002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066540002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182530880).

1066540002 is an abundant number, since it is smaller than the sum of its proper divisors (1298521758).

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

1066540002 is a wasteful number, since it uses less digits than its factorization.

1066540002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1066540002 is about 32657.9240307770. The cubic root of 1066540002 is about 1021.7054647868.

Adding to 1066540002 its reverse (2000456601), we get a palindrome (3066996603).

The spelling of 1066540002 in words is "one billion, sixty-six million, five hundred forty thousand, two".