2066400060 has 24 divisors (see below), whose sum is σ = 5785920336. Its totient is φ = 551040000.

The previous prime is 2066400059. The next prime is 2066400067. The reversal of 2066400060 is 600046602.

It is a self number, because there is not a number n which added to its sum of digits gives 2066400060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066400067) 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 7 ways as a sum of consecutive naturals, for example, 17219941 + ... + 17220060.

It is an arithmetic number, because the mean of its divisors is an integer number (241080014).

Almost surely, 2^2066400060 is an apocalyptic number.

2066400060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066400060 is an abundant number, since it is smaller than the sum of its proper divisors (3719520276).

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

2066400060 is a wasteful number, since it uses less digits than its factorization.

2066400060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34440013 (or 34440011 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2066400060 is about 45457.6732796565. The cubic root of 2066400060 is about 1273.7126691301.

Adding to 2066400060 its reverse (600046602), we get a palindrome (2666446662).

The spelling of 2066400060 in words is "two billion, sixty-six million, four hundred thousand, sixty".