5664521226 has 96 divisors (see below), whose sum is σ = 14257131840. Its totient is φ = 1487130624.

The previous prime is 5664521209. The next prime is 5664521267. The reversal of 5664521226 is 6221254665.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 864330 + ... + 870858.

It is an arithmetic number, because the mean of its divisors is an integer number (148511790).

Almost surely, 2^5664521226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5664521226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7128565920).

5664521226 is an abundant number, since it is smaller than the sum of its proper divisors (8592610614).

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

5664521226 is a wasteful number, since it uses less digits than its factorization.

5664521226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6788 (or 6781 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 5664521226 is about 75263.0136654120. The cubic root of 5664521226 is about 1782.6020549696.

The spelling of 5664521226 in words is "five billion, six hundred sixty-four million, five hundred twenty-one thousand, two hundred twenty-six".