6600664415 has 8 divisors (see below), whose sum is σ = 8113987728. Its totient is φ = 5151737920.

The previous prime is 6600664403. The next prime is 6600664423. The reversal of 6600664415 is 5144660066.

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

It is not a de Polignac number, because 6600664415 - 2⁶ = 6600664351 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 16098977 + ... + 16099386.

It is an arithmetic number, because the mean of its divisors is an integer number (1014248466).

Almost surely, 2^6600664415 is an apocalyptic number.

6600664415 is a deficient number, since it is larger than the sum of its proper divisors (1513323313).

6600664415 is a wasteful number, since it uses less digits than its factorization.

6600664415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32198409.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 6600664415 is about 81244.4731351001. The cubic root of 6600664415 is about 1875.8403974305.

The spelling of 6600664415 in words is "six billion, six hundred million, six hundred sixty-four thousand, four hundred fifteen".