66001134441 has 24 divisors (see below), whose sum is σ = 102418882272. Its totient is φ = 37647702400.

The previous prime is 66001134379. The next prime is 66001134457. The reversal of 66001134441 is 14443110066.

It is not a de Polignac number, because 66001134441 - 2¹⁰ = 66001133417 is a prime.

It is a super-2 number, since 2×66001134441² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66001134399 and 66001134408.

It is not an unprimeable number, because it can be changed into a prime (66001134041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5341515 + ... + 5353856.

It is an arithmetic number, because the mean of its divisors is an integer number (4267453428).

Almost surely, 2^66001134441 is an apocalyptic number.

It is an amenable number.

66001134441 is a deficient number, since it is larger than the sum of its proper divisors (36417747831).

66001134441 is a wasteful number, since it uses less digits than its factorization.

66001134441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10695413 (or 10695402 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 66001134441 in words is "sixty-six billion, one million, one hundred thirty-four thousand, four hundred forty-one".