6356664 has 32 divisors (see below), whose sum is σ = 17658000. Its totient is φ = 2118816.

The previous prime is 6356653. The next prime is 6356699. The reversal of 6356664 is 4666536.

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

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 7 ways as a sum of consecutive naturals, for example, 14499 + ... + 14930.

Almost surely, 2^6356664 is an apocalyptic number.

It is an amenable number.

6356664 is an abundant number, since it is smaller than the sum of its proper divisors (11301336).

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

6356664 is a wasteful number, since it uses less digits than its factorization.

6356664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29444 (or 29434 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 6356664 is about 2521.2425508070. The cubic root of 6356664 is about 185.2435458093.

The spelling of 6356664 in words is "six million, three hundred fifty-six thousand, six hundred sixty-four".