6697656 has 96 divisors (see below), whose sum is σ = 21097440. Its totient is φ = 1880064.

The previous prime is 6697651. The next prime is 6697657. The reversal of 6697656 is 6567966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6697651) 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 23 ways as a sum of consecutive naturals, for example, 48820 + ... + 48956.

It is an arithmetic number, because the mean of its divisors is an integer number (219765).

Almost surely, 2^6697656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6697656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10548720).

6697656 is an abundant number, since it is smaller than the sum of its proper divisors (14399784).

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

6697656 is a wasteful number, since it uses less digits than its factorization.

6697656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 246 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 6697656 is about 2587.9829983986. The cubic root of 6697656 is about 188.4983758746.

The spelling of 6697656 in words is "six million, six hundred ninety-seven thousand, six hundred fifty-six".