6664016 has 10 divisors (see below), whose sum is σ = 12911562. Its totient is φ = 3332000.

The previous prime is 6663971. The next prime is 6664019. The reversal of 6664016 is 6104666.

It can be written as a sum of positive squares in only one way, i.e., 5271616 + 1392400 = 2296^2 + 1180^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6664016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6664019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208235 + ... + 208266.

Almost surely, 2^6664016 is an apocalyptic number.

It is an amenable number.

6664016 is a deficient number, since it is larger than the sum of its proper divisors (6247546).

6664016 is a wasteful number, since it uses less digits than its factorization.

6664016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416509 (or 416503 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6664016 is about 2581.4755470467. The cubic root of 6664016 is about 188.1822587413.

The spelling of 6664016 in words is "six million, six hundred sixty-four thousand, sixteen".