6664242163011 has 32 divisors (see below), whose sum is σ = 9435030773760. Its totient is φ = 4169627933184.

The previous prime is 6664242162989. The next prime is 6664242163027. The reversal of 6664242163011 is 1103612424666.

It is not a de Polignac number, because 6664242163011 - 2⁵ = 6664242162979 is a prime.

It is a super-2 number, since 2×6664242163011² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6664242163031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106336161 + ... + 106398813.

It is an arithmetic number, because the mean of its divisors is an integer number (294844711680).

Almost surely, 2^{6664242163011} is an apocalyptic number.

6664242163011 is a deficient number, since it is larger than the sum of its proper divisors (2770788610749).

6664242163011 is a wasteful number, since it uses less digits than its factorization.

6664242163011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68555.

The product of its (nonzero) digits is 248832, while the sum is 42.

Adding to 6664242163011 its reverse (1103612424666), we get a palindrome (7767854587677).

The spelling of 6664242163011 in words is "six trillion, six hundred sixty-four billion, two hundred forty-two million, one hundred sixty-three thousand, eleven".