4161320657 has 8 divisors (see below), whose sum is σ = 4585641984. Its totient is φ = 3751887888.

The previous prime is 4161320651. The next prime is 4161320677. The reversal of 4161320657 is 7560231614.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4161320657 - 2⁶ = 4161320593 is a prime.

It is a super-3 number, since 3×4161320657³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4161320651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3721553 + ... + 3722670.

It is an arithmetic number, because the mean of its divisors is an integer number (573205248).

Almost surely, 2^4161320657 is an apocalyptic number.

It is an amenable number.

4161320657 is a deficient number, since it is larger than the sum of its proper divisors (424321327).

4161320657 is a wasteful number, since it uses less digits than its factorization.

4161320657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444279.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 4161320657 is about 64508.2991327473. The cubic root of 4161320657 is about 1608.4604777242.

The spelling of 4161320657 in words is "four billion, one hundred sixty-one million, three hundred twenty thousand, six hundred fifty-seven".