6646136 has 16 divisors (see below), whose sum is σ = 14241840. Its totient is φ = 2848320.

The previous prime is 6646049. The next prime is 6646153. The reversal of 6646136 is 6316466.

6646136 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6646136² = 88342247460992, which contains 22 as substring.

6646136 is strictly pandigital in base 8.

It is a congruent 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, 59285 + ... + 59396.

It is an arithmetic number, because the mean of its divisors is an integer number (890115).

Almost surely, 2^6646136 is an apocalyptic number.

It is an amenable number.

6646136 is an abundant number, since it is smaller than the sum of its proper divisors (7595704).

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

6646136 is a wasteful number, since it uses less digits than its factorization.

6646136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118694 (or 118690 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 6646136 is about 2578.0100853177. The cubic root of 6646136 is about 188.0138061387.

The spelling of 6646136 in words is "six million, six hundred forty-six thousand, one hundred thirty-six".