6411966 has 16 divisors (see below), whose sum is σ = 13989888. Its totient is φ = 1943000.

The previous prime is 6411961. The next prime is 6411971. The reversal of 6411966 is 6691146.

It is an interprime number because it is at equal distance from previous prime (6411961) and next prime (6411971).

It is a super-2 number, since 2×6411966² = 82226615970312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6411961) 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, 48510 + ... + 48641.

It is an arithmetic number, because the mean of its divisors is an integer number (874368).

Almost surely, 2^6411966 is an apocalyptic number.

6411966 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6411966 is an abundant number, since it is smaller than the sum of its proper divisors (7577922).

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

6411966 is a wasteful number, since it uses less digits than its factorization.

6411966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97167.

The product of its digits is 7776, while the sum is 33.

The square root of 6411966 is about 2532.1860121247. The cubic root of 6411966 is about 185.7791922465.

The spelling of 6411966 in words is "six million, four hundred eleven thousand, nine hundred sixty-six".