6566899069066 has 16 divisors (see below), whose sum is σ = 11257731040320. Its totient is φ = 2814337870560.

The previous prime is 6566899069001. The next prime is 6566899069097. The reversal of 6566899069066 is 6609609986656.

It is a super-2 number, since 2×6566899069066² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6566899068983 and 6566899069001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3087051 + ... + 4760638.

It is an arithmetic number, because the mean of its divisors is an integer number (703608190020).

Almost surely, 2^{6566899069066} is an apocalyptic number.

6566899069066 is a deficient number, since it is larger than the sum of its proper divisors (4690831971254).

6566899069066 is a wasteful number, since it uses less digits than its factorization.

6566899069066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907469.

The product of its (nonzero) digits is 1360488960, while the sum is 76.

The spelling of 6566899069066 in words is "six trillion, five hundred sixty-six billion, eight hundred ninety-nine million, sixty-nine thousand, sixty-six".