6460666 has 8 divisors (see below), whose sum is σ = 9715284. Its totient is φ = 3222240.

The previous prime is 6460651. The next prime is 6460673. The reversal of 6460666 is 6660646.

It can be written as a sum of positive squares in 2 ways, for example, as 5929225 + 531441 = 2435^2 + 729^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2995 + ... + 4678.

Almost surely, 2^6460666 is an apocalyptic number.

6460666 is a deficient number, since it is larger than the sum of its proper divisors (3254618).

6460666 is a wasteful number, since it uses less digits than its factorization.

6460666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 6460666 is about 2541.7840191488. The cubic root of 6460666 is about 186.2483482580.

The spelling of 6460666 in words is "six million, four hundred sixty thousand, six hundred sixty-six".