6666666666600 has 96 divisors (see below), whose sum is σ = 20667661560000. Its totient is φ = 1777692195840.

The previous prime is 6666666666581. The next prime is 6666666666629. The reversal of 6666666666600 is 66666666666.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

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, 12732781 + ... + 13246019.

It is an arithmetic number, because the mean of its divisors is an integer number (215288141250).

Almost surely, 2^{6666666666600} is an apocalyptic number.

6666666666600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6666666666600 is an abundant number, since it is smaller than the sum of its proper divisors (14000994893400).

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

6666666666600 is a wasteful number, since it uses less digits than its factorization.

6666666666600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534907 (or 534898 counting only the distinct ones).

The product of its (nonzero) digits is 362797056, while the sum is 66.

Adding to 6666666666600 its sum of digits (66), we get a palindrome (6666666666666).

6666666666600 divided by its reverse (66666666666) gives a square (100 = 10²).

It can be divided in two parts, 66 and 66666666600, that added together give a palindrome (66666666666).

The spelling of 6666666666600 in words is "six trillion, six hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred".