4064161641 has 16 divisors (see below), whose sum is σ = 5578949376. Its totient is φ = 2630181456.

The previous prime is 4064161637. The next prime is 4064161669. The reversal of 4064161641 is 1461614604.

It is not a de Polignac number, because 4064161641 - 2² = 4064161637 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4064161691) 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 15 ways as a sum of consecutive naturals, for example, 75615 + ... + 117668.

It is an arithmetic number, because the mean of its divisors is an integer number (348684336).

Almost surely, 2^4064161641 is an apocalyptic number.

It is an amenable number.

4064161641 is a deficient number, since it is larger than the sum of its proper divisors (1514787735).

4064161641 is a wasteful number, since it uses less digits than its factorization.

4064161641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193492.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 4064161641 is about 63750.7775717285. Note that the first 3 decimals coincide. The cubic root of 4064161641 is about 1595.8435923604.

The spelling of 4064161641 in words is "four billion, sixty-four million, one hundred sixty-one thousand, six hundred forty-one".