516331624201 has 8 divisors (see below), whose sum is σ = 526139266824. Its totient is φ = 506526408960.

The previous prime is 516331624153. The next prime is 516331624241. The reversal of 516331624201 is 102426133615.

It can be written as a sum of positive squares in 4 ways, for example, as 99635553801 + 416696070400 = 315651^2 + 645520^2 .

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 516331624201 - 2³⁷ = 378892670729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516331624241) 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, 174486 + ... + 1031071.

It is an arithmetic number, because the mean of its divisors is an integer number (65767408353).

Almost surely, 2^516331624201 is an apocalyptic number.

It is an amenable number.

516331624201 is a deficient number, since it is larger than the sum of its proper divisors (9807642623).

516331624201 is a wasteful number, since it uses less digits than its factorization.

516331624201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213691.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 516331624201 its reverse (102426133615), we get a palindrome (618757757816).

The spelling of 516331624201 in words is "five hundred sixteen billion, three hundred thirty-one million, six hundred twenty-four thousand, two hundred one".