6651264 has 32 divisors (see below), whose sum is σ = 17668440. Its totient is φ = 2216960.

The previous prime is 6651251. The next prime is 6651277. The reversal of 6651264 is 4621566.

It is an interprime number because it is at equal distance from previous prime (6651251) and next prime (6651277).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8277 + ... + 9044.

Almost surely, 2^6651264 is an apocalyptic number.

6651264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6651264 is an abundant number, since it is smaller than the sum of its proper divisors (11017176).

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

6651264 is a wasteful number, since it uses less digits than its factorization.

6651264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17338 (or 17326 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 6651264 is about 2579.0044590888. The cubic root of 6651264 is about 188.0621493633.

The spelling of 6651264 in words is "six million, six hundred fifty-one thousand, two hundred sixty-four".