6455656 has 16 divisors (see below), whose sum is σ = 12140100. Its totient is φ = 3218304.

The previous prime is 6455639. The next prime is 6455677. The reversal of 6455656 is 6565546.

It can be written as a sum of positive squares in 2 ways, for example, as 6400900 + 54756 = 2530^2 + 234^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2286 + ... + 4258.

Almost surely, 2^6455656 is an apocalyptic number.

It is an amenable number.

6455656 is a deficient number, since it is larger than the sum of its proper divisors (5684444).

6455656 is a wasteful number, since it uses less digits than its factorization.

6455656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388 (or 2384 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 6455656 is about 2540.7982997475. The cubic root of 6455656 is about 186.2001929788.

Adding to 6455656 its product of digits (108000), we get a palindrome (6563656).

The spelling of 6455656 in words is "six million, four hundred fifty-five thousand, six hundred fifty-six".