6412660066 has 16 divisors (see below), whose sum is σ = 10190016000. Its totient is φ = 3016180800.

The previous prime is 6412660019. The next prime is 6412660073. The reversal of 6412660066 is 6600662146.

It is a super-2 number, since 2×6412660066² = 82244418244142248712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20791 + ... + 115141.

It is an arithmetic number, because the mean of its divisors is an integer number (636876000).

Almost surely, 2^6412660066 is an apocalyptic number.

6412660066 is a deficient number, since it is larger than the sum of its proper divisors (3777355934).

6412660066 is a wasteful number, since it uses less digits than its factorization.

6412660066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96369.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 6412660066 is about 80079.0863209615. The cubic root of 6412660066 is about 1857.8589525403.

The spelling of 6412660066 in words is "six billion, four hundred twelve million, six hundred sixty thousand, sixty-six".