516111449 has 8 divisors (see below), whose sum is σ = 624538368. Its totient is φ = 416358720.

The previous prime is 516111443. The next prime is 516111451. The reversal of 516111449 is 944111615.

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 516111449 - 2⁴ = 516111433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516111443) 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, 2168417 + ... + 2168654.

It is an arithmetic number, because the mean of its divisors is an integer number (78067296).

Almost surely, 2^516111449 is an apocalyptic number.

It is an amenable number.

516111449 is a deficient number, since it is larger than the sum of its proper divisors (108426919).

516111449 is a wasteful number, since it uses less digits than its factorization.

516111449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337095.

The product of its digits is 4320, while the sum is 32.

The square root of 516111449 is about 22718.0863850809. The cubic root of 516111449 is about 802.1356732388.

The spelling of 516111449 in words is "five hundred sixteen million, one hundred eleven thousand, four hundred forty-nine".