6315666 has 16 divisors (see below), whose sum is σ = 14435904. Its totient is φ = 1804464.

The previous prime is 6315637. The next prime is 6315667. The reversal of 6315666 is 6665136.

It is not an unprimeable number, because it can be changed into a prime (6315667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75145 + ... + 75228.

It is an arithmetic number, because the mean of its divisors is an integer number (902244).

Almost surely, 2^6315666 is an apocalyptic number.

6315666 is an abundant number, since it is smaller than the sum of its proper divisors (8120238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6315666 is a wasteful number, since it uses less digits than its factorization.

6315666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150385.

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

The square root of 6315666 is about 2513.0988838484. The cubic root of 6315666 is about 184.8444370378.

The spelling of 6315666 in words is "six million, three hundred fifteen thousand, six hundred sixty-six".