664226130 has 64 divisors (see below), whose sum is σ = 1706572800. Its totient is φ = 164952000.

The previous prime is 664226107. The next prime is 664226153. The reversal of 664226130 is 31622466.

664226130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (664226107) and next prime (664226153).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23755 + ... + 43505.

It is an arithmetic number, because the mean of its divisors is an integer number (26665200).

Almost surely, 2^664226130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 664226130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853286400).

664226130 is an abundant number, since it is smaller than the sum of its proper divisors (1042346670).

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

664226130 is a wasteful number, since it uses less digits than its factorization.

664226130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19839.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 664226130 is about 25772.5848529013. The cubic root of 664226130 is about 872.5131586973.

Adding to 664226130 its reverse (31622466), we get a palindrome (695848596).

The spelling of 664226130 in words is "six hundred sixty-four million, two hundred twenty-six thousand, one hundred thirty".