665326130 has 32 divisors (see below), whose sum is σ = 1375646976. Its totient is φ = 226949184.

The previous prime is 665326099. The next prime is 665326171. The reversal of 665326130 is 31623566.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10334 + ... + 37913.

It is an arithmetic number, because the mean of its divisors is an integer number (42988968).

Almost surely, 2^665326130 is an apocalyptic number.

665326130 is an abundant number, since it is smaller than the sum of its proper divisors (710320846).

665326130 is a wasteful number, since it uses less digits than its factorization.

665326130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48458.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 665326130 is about 25793.9165308411. The cubic root of 665326130 is about 872.9945385107.

Adding to 665326130 its reverse (31623566), we get a palindrome (696949696).

The spelling of 665326130 in words is "six hundred sixty-five million, three hundred twenty-six thousand, one hundred thirty".