516540216144301 has 8 divisors (see below), whose sum is σ = 520483880261664. Its totient is φ = 512596561254960.

The previous prime is 516540216144233. The next prime is 516540216144313. The reversal of 516540216144301 is 103441612045615.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516540216144301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516540216184301) 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, 146638771 + ... + 150119983.

It is an arithmetic number, because the mean of its divisors is an integer number (65060485032708).

Almost surely, 2^{516540216144301} is an apocalyptic number.

It is an amenable number.

516540216144301 is a deficient number, since it is larger than the sum of its proper divisors (3943664117363).

516540216144301 is a wasteful number, since it uses less digits than its factorization.

516540216144301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614011.

The product of its (nonzero) digits is 345600, while the sum is 43.

Adding to 516540216144301 its reverse (103441612045615), we get a palindrome (619981828189916).

The spelling of 516540216144301 in words is "five hundred sixteen trillion, five hundred forty billion, two hundred sixteen million, one hundred forty-four thousand, three hundred one".