64732066011 has 24 divisors (see below), whose sum is σ = 93855821904. Its totient is φ = 42991629120.

The previous prime is 64732065977. The next prime is 64732066033. The reversal of 64732066011 is 11066023746.

It is a happy number.

64732066011 is a `hidden beast` number, since 6 + 47 + 3 + 2 + 0 + 6 + 601 + 1 = 666.

It is not a de Polignac number, because 64732066011 - 2⁹ = 64732065499 is a prime.

It is a super-2 number, since 2×64732066011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64732061011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2922400 + ... + 2944466.

It is an arithmetic number, because the mean of its divisors is an integer number (3910659246).

Almost surely, 2^64732066011 is an apocalyptic number.

64732066011 is a deficient number, since it is larger than the sum of its proper divisors (29123755893).

64732066011 is a wasteful number, since it uses less digits than its factorization.

64732066011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23291 (or 23288 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 64732066011 its reverse (11066023746), we get a palindrome (75798089757).

The spelling of 64732066011 in words is "sixty-four billion, seven hundred thirty-two million, sixty-six thousand, eleven".