516943117149 has 8 divisors (see below), whose sum is σ = 690097026912. Its totient is φ = 344208976080.

The previous prime is 516943117147. The next prime is 516943117157. The reversal of 516943117149 is 941711349615.

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

It is not a de Polignac number, because 516943117149 - 2¹ = 516943117147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516943117147) 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, 104939299 + ... + 104944224.

It is an arithmetic number, because the mean of its divisors is an integer number (86262128364).

Almost surely, 2^516943117149 is an apocalyptic number.

It is an amenable number.

516943117149 is a deficient number, since it is larger than the sum of its proper divisors (173153909763).

516943117149 is a wasteful number, since it uses less digits than its factorization.

516943117149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209884347.

The product of its digits is 816480, while the sum is 51.

The spelling of 516943117149 in words is "five hundred sixteen billion, nine hundred forty-three million, one hundred seventeen thousand, one hundred forty-nine".