516640117 has 8 divisors (see below), whose sum is σ = 590622912. Its totient is φ = 442701600.

The previous prime is 516640097. The next prime is 516640123. The reversal of 516640117 is 711046615.

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 516640117 - 2²³ = 508251509 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 (516640127) 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, 19617 + ... + 37657.

It is an arithmetic number, because the mean of its divisors is an integer number (73827864).

Almost surely, 2^516640117 is an apocalyptic number.

It is an amenable number.

516640117 is a deficient number, since it is larger than the sum of its proper divisors (73982795).

516640117 is a wasteful number, since it uses less digits than its factorization.

516640117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22139.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 516640117 is about 22729.7188060037. The cubic root of 516640117 is about 802.4094634262.

The spelling of 516640117 in words is "five hundred sixteen million, six hundred forty thousand, one hundred seventeen".