6411566 has 16 divisors (see below), whose sum is σ = 11065056. Its totient is φ = 2729376.

The previous prime is 6411557. The next prime is 6411571. The reversal of 6411566 is 6651146.

It is a super-2 number, since 2×6411566² = 82216357144712, which contains 22 as substring.

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, 740 + ... + 3656.

It is an arithmetic number, because the mean of its divisors is an integer number (691566).

Almost surely, 2^6411566 is an apocalyptic number.

6411566 is a deficient number, since it is larger than the sum of its proper divisors (4653490).

6411566 is a wasteful number, since it uses less digits than its factorization.

6411566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083.

The product of its digits is 4320, while the sum is 29.

The square root of 6411566 is about 2532.1070277538. The cubic root of 6411566 is about 185.7753289893.

The spelling of 6411566 in words is "six million, four hundred eleven thousand, five hundred sixty-six".