6606464 has 16 divisors (see below), whose sum is σ = 13161570. Its totient is φ = 3303168.

The previous prime is 6606463. The next prime is 6606469. The reversal of 6606464 is 4646066.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5953600 + 652864 = 2440^2 + 808^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 6606464.

It is not an unprimeable number, because it can be changed into a prime (6606463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25679 + ... + 25934.

Almost surely, 2^6606464 is an apocalyptic number.

6606464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6606464 is a deficient number, since it is larger than the sum of its proper divisors (6555106).

6606464 is an equidigital number, since it uses as much as digits as its factorization.

6606464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51627 (or 51615 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6606464 is about 2570.3042621449. The cubic root of 6606464 is about 187.6389630581.

The spelling of 6606464 in words is "six million, six hundred six thousand, four hundred sixty-four".