6616966 has 4 divisors (see below), whose sum is σ = 9925452. Its totient is φ = 3308482.

The previous prime is 6616931. The next prime is 6616991. The reversal of 6616966 is 6696166.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6696166 = 2 ⋅3348083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1654240 + ... + 1654243.

It is an arithmetic number, because the mean of its divisors is an integer number (2481363).

Almost surely, 2^6616966 is an apocalyptic number.

6616966 is a deficient number, since it is larger than the sum of its proper divisors (3308486).

6616966 is a wasteful number, since it uses less digits than its factorization.

6616966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308485.

The product of its digits is 69984, while the sum is 40.

The square root of 6616966 is about 2572.3463996904. The cubic root of 6616966 is about 187.7383375055.

It can be divided in two parts, 66 and 16966, that multiplied together give a triangular number (1119756 = T₁₄₉₆).

The spelling of 6616966 in words is "six million, six hundred sixteen thousand, nine hundred sixty-six".