516541554449 has 8 divisors (see below), whose sum is σ = 520404360000. Its totient is φ = 512680844592.

The previous prime is 516541554421. The next prime is 516541554523. The reversal of 516541554449 is 944455145615.

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-516541554449 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 516541554449.

It is not an unprimeable number, because it can be changed into a prime (516541550449) 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 7 ways as a sum of consecutive naturals, for example, 27374 + ... + 1016775.

It is an arithmetic number, because the mean of its divisors is an integer number (65050545000).

Almost surely, 2^516541554449 is an apocalyptic number.

It is an amenable number.

516541554449 is a deficient number, since it is larger than the sum of its proper divisors (3862805551).

516541554449 is a wasteful number, since it uses less digits than its factorization.

516541554449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047847.

The product of its digits is 8640000, while the sum is 53.

The spelling of 516541554449 in words is "five hundred sixteen billion, five hundred forty-one million, five hundred fifty-four thousand, four hundred forty-nine".