516343343615 has 16 divisors (see below), whose sum is σ = 679716593280. Its totient is φ = 373424533920.

The previous prime is 516343343599. The next prime is 516343343651.

It is a happy number.

516343343615 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 516343343615 - 2⁴ = 516343343599 is a prime.

It is a super-2 number, since 2×516343343615² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26213789 + ... + 26233478.

It is an arithmetic number, because the mean of its divisors is an integer number (42482287080).

Almost surely, 2^516343343615 is an apocalyptic number.

516343343615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

516343343615 is a deficient number, since it is larger than the sum of its proper divisors (163373249665).

516343343615 is a wasteful number, since it uses less digits than its factorization.

516343343615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52447462.

The product of its digits is 1166400, while the sum is 44.

It can be divided in two parts, 516343 and 343615, that added together give a palindrome (859958).

The spelling of 516343343615 in words is "five hundred sixteen billion, three hundred forty-three million, three hundred forty-three thousand, six hundred fifteen".