4551664 has 40 divisors (see below), whose sum is σ = 9652160. Its totient is φ = 2066688.

The previous prime is 4551661. The next prime is 4551671. The reversal of 4551664 is 4661554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16294 + ... + 16570.

It is an arithmetic number, because the mean of its divisors is an integer number (241304).

Almost surely, 2^4551664 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 4551664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4826080).

4551664 is an abundant number, since it is smaller than the sum of its proper divisors (5100496).

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

4551664 is a wasteful number, since it uses less digits than its factorization.

4551664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 371 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 4551664 is about 2133.4629127313. The cubic root of 4551664 is about 165.7257774716.

The spelling of 4551664 in words is "four million, five hundred fifty-one thousand, six hundred sixty-four".