6572664 has 168 divisors, whose sum is σ = 22428360. Its totient is φ = 1796256.

The previous prime is 6572627. The next prime is 6572677. The reversal of 6572664 is 4662756.

It is a tau number, because it is divible by the number of its divisors (168).

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

Its product of digits (60480) is a multiple of the sum of its prime divisors (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 285757 + ... + 285779.

Almost surely, 2^6572664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6572664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11214180).

6572664 is an abundant number, since it is smaller than the sum of its proper divisors (15855696).

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

6572664 is a wasteful number, since it uses less digits than its factorization.

6572664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 35 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 6572664 is about 2563.7207336214. The cubic root of 6572664 is about 187.3184162025.

It can be divided in two parts, 657 and 2664, that added together give a triangular number (3321 = T₈₁).

The spelling of 6572664 in words is "six million, five hundred seventy-two thousand, six hundred sixty-four".