6642002466 has 48 divisors (see below), whose sum is σ = 15724931040. Its totient is φ = 2009439360.

The previous prime is 6642002417. The next prime is 6642002567.

6642002466 is a `hidden beast` number, since 6 + 642 + 0 + 0 + 2 + 4 + 6 + 6 = 666.

6642002466 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6642002466.

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, 95466 + ... + 149658.

It is an arithmetic number, because the mean of its divisors is an integer number (327602730).

Almost surely, 2^6642002466 is an apocalyptic number.

6642002466 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6642002466 is an abundant number, since it is smaller than the sum of its proper divisors (9082928574).

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

6642002466 is a wasteful number, since it uses less digits than its factorization.

6642002466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54831 (or 54828 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 6642002466 is about 81498.4813723544. The cubic root of 6642002466 is about 1879.7481994511.

It can be divided in two parts, 664200 and 2466, that added together give a palindrome (666666).

The spelling of 6642002466 in words is "six billion, six hundred forty-two million, two thousand, four hundred sixty-six".