6461666 has 16 divisors (see below), whose sum is σ = 10710144. Its totient is φ = 2908224.

The previous prime is 6461657. The next prime is 6461713. The reversal of 6461666 is 6661646.

It is a Curzon 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, 3350 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (669384).

Almost surely, 2^6461666 is an apocalyptic number.

6461666 is a deficient number, since it is larger than the sum of its proper divisors (4248478).

6461666 is a wasteful number, since it uses less digits than its factorization.

6461666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8305.

The product of its digits is 31104, while the sum is 35.

The square root of 6461666 is about 2541.9807237664. The cubic root of 6461666 is about 186.2579571094.

The spelling of 6461666 in words is "six million, four hundred sixty-one thousand, six hundred sixty-six".