664126311210 has 32 divisors (see below), whose sum is σ = 1602161726400. Its totient is φ = 176182729728.

The previous prime is 664126311203. The next prime is 664126311221. The reversal of 664126311210 is 12113621466.

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, 57345360 + ... + 57356939.

It is an arithmetic number, because the mean of its divisors is an integer number (50067553950).

Almost surely, 2^664126311210 is an apocalyptic number.

664126311210 is an abundant number, since it is smaller than the sum of its proper divisors (938035415190).

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

664126311210 is a wasteful number, since it uses less digits than its factorization.

664126311210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114702502.

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 664126311210 its reverse (12113621466), we get a palindrome (676239932676).

The spelling of 664126311210 in words is "six hundred sixty-four billion, one hundred twenty-six million, three hundred eleven thousand, two hundred ten".