6666045413 has 8 divisors (see below), whose sum is σ = 6993885696. Its totient is φ = 6345255600.

The previous prime is 6666045409. The next prime is 6666045437. The reversal of 6666045413 is 3145406666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6666045413 - 2² = 6666045409 is a prime.

It is a super-2 number, since 2×6666045413² = 88872322896356681138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666045493) by changing a digit.

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, 1760681 + ... + 1764462.

It is an arithmetic number, because the mean of its divisors is an integer number (874235712).

Almost surely, 2^6666045413 is an apocalyptic number.

It is an amenable number.

6666045413 is a deficient number, since it is larger than the sum of its proper divisors (327840283).

6666045413 is a wasteful number, since it uses less digits than its factorization.

6666045413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525235.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 6666045413 is about 81645.8536179272. The cubic root of 6666045413 is about 1882.0135937376.

The spelling of 6666045413 in words is "six billion, six hundred sixty-six million, forty-five thousand, four hundred thirteen".