6669544 has 16 divisors (see below), whose sum is σ = 14292000. Its totient is φ = 2858352.

The previous prime is 6669541. The next prime is 6669547. The reversal of 6669544 is 4459666.

It is an interprime number because it is at equal distance from previous prime (6669541) and next prime (6669547).

It is a junction number, because it is equal to n+sod(n) for n = 6669497 and 6669506.

It is not an unprimeable number, because it can be changed into a prime (6669541) by changing a digit.

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, 59494 + ... + 59605.

It is an arithmetic number, because the mean of its divisors is an integer number (893250).

Almost surely, 2^6669544 is an apocalyptic number.

It is an amenable number.

6669544 is an abundant number, since it is smaller than the sum of its proper divisors (7622456).

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

6669544 is a wasteful number, since it uses less digits than its factorization.

6669544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119112 (or 119108 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 6669544 is about 2582.5460305675. The cubic root of 6669544 is about 188.2342786250.

The spelling of 6669544 in words is "six million, six hundred sixty-nine thousand, five hundred forty-four".