5664665280 has 112 divisors (see below), whose sum is σ = 18022604544. Its totient is φ = 1507445760.

The previous prime is 5664665273. The next prime is 5664665287. The reversal of 5664665280 is 825664665.

It is an interprime number because it is at equal distance from previous prime (5664665273) and next prime (5664665287).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (5664665287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477015 + ... + 488745.

It is an arithmetic number, because the mean of its divisors is an integer number (160916112).

Almost surely, 2^5664665280 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 5664665280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9011302272).

5664665280 is an abundant number, since it is smaller than the sum of its proper divisors (12357939264).

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

5664665280 is a wasteful number, since it uses less digits than its factorization.

5664665280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12254 (or 12244 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The square root of 5664665280 is about 75263.9706632596. The cubic root of 5664665280 is about 1782.6171659131.

The spelling of 5664665280 in words is "five billion, six hundred sixty-four million, six hundred sixty-five thousand, two hundred eighty".