4720161601 has 4 divisors (see below), whose sum is σ = 4800164400. Its totient is φ = 4640158804.

The previous prime is 4720161569. The next prime is 4720161619. The reversal of 4720161601 is 1061610274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1061610274 = 2 ⋅530805137.

It is a cyclic number.

It is not a de Polignac number, because 4720161601 - 2⁵ = 4720161569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4720161601.

It is not an unprimeable number, because it can be changed into a prime (4720161671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40001311 + ... + 40001428.

It is an arithmetic number, because the mean of its divisors is an integer number (1200041100).

Almost surely, 2^4720161601 is an apocalyptic number.

It is an amenable number.

4720161601 is a deficient number, since it is larger than the sum of its proper divisors (80002799).

4720161601 is an equidigital number, since it uses as much as digits as its factorization.

4720161601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80002798.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 4720161601 is about 68703.4322359516. The cubic root of 4720161601 is about 1677.4604488859.

Adding to 4720161601 its reverse (1061610274), we get a palindrome (5781771875).

The spelling of 4720161601 in words is "four billion, seven hundred twenty million, one hundred sixty-one thousand, six hundred one".