6941664 has 36 divisors (see below), whose sum is σ = 19741176. Its totient is φ = 2313792.

The previous prime is 6941659. The next prime is 6941687. The reversal of 6941664 is 4661496.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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 in 5 ways as a sum of consecutive naturals, for example, 11764 + ... + 12339.

It is an arithmetic number, because the mean of its divisors is an integer number (548366).

Almost surely, 2^6941664 is an apocalyptic number.

It is an amenable number.

6941664 is an abundant number, since it is smaller than the sum of its proper divisors (12799512).

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

6941664 is a wasteful number, since it uses less digits than its factorization.

6941664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24119 (or 24108 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 6941664 is about 2634.7037784161. The cubic root of 6941664 is about 190.7602411784.

The spelling of 6941664 in words is "six million, nine hundred forty-one thousand, six hundred sixty-four".