6666315 has 8 divisors (see below), whose sum is σ = 10666128. Its totient is φ = 3555360.

The previous prime is 6666269. The next prime is 6666337. The reversal of 6666315 is 5136666.

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

It is not a de Polignac number, because 6666315 - 2⁸ = 6666059 is a prime.

6666315 is a lucky 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, 222196 + ... + 222225.

It is an arithmetic number, because the mean of its divisors is an integer number (1333266).

Almost surely, 2^6666315 is an apocalyptic number.

6666315 is a deficient number, since it is larger than the sum of its proper divisors (3999813).

6666315 is a wasteful number, since it uses less digits than its factorization.

6666315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444429.

The product of its digits is 19440, while the sum is 33.

The square root of 6666315 is about 2581.9207966163. The cubic root of 6666315 is about 188.2038964080.

The spelling of 6666315 in words is "six million, six hundred sixty-six thousand, three hundred fifteen".