6696641 has 8 divisors (see below), whose sum is σ = 7779264. Its totient is φ = 5645520.

The previous prime is 6696637. The next prime is 6696643. The reversal of 6696641 is 1466966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6696641 - 2² = 6696637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6696595 and 6696604.

It is not an unprimeable number, because it can be changed into a prime (6696643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7415 + ... + 8268.

It is an arithmetic number, because the mean of its divisors is an integer number (972408).

Almost surely, 2^6696641 is an apocalyptic number.

6696641 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6696641 is a deficient number, since it is larger than the sum of its proper divisors (1082623).

6696641 is a wasteful number, since it uses less digits than its factorization.

6696641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15751.

The product of its digits is 46656, while the sum is 38.

The square root of 6696641 is about 2587.7868923078. The cubic root of 6696641 is about 188.4888533632.

It can be divided in two parts, 6696 and 641, that added together give a palindrome (7337).

The spelling of 6696641 in words is "six million, six hundred ninety-six thousand, six hundred forty-one".