516342243615 has 32 divisors (see below), whose sum is σ = 909674862336. Its totient is φ = 248008047360.

The previous prime is 516342243611. The next prime is 516342243623.

516342243615 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 516342243615 - 2² = 516342243611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516342243611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14605462 + ... + 14640771.

It is an arithmetic number, because the mean of its divisors is an integer number (28427339448).

Almost surely, 2^516342243615 is an apocalyptic number.

516342243615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

516342243615 is a deficient number, since it is larger than the sum of its proper divisors (393332618721).

516342243615 is a wasteful number, since it uses less digits than its factorization.

516342243615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29246359.

The product of its digits is 518400, while the sum is 42.

It can be divided in two parts, 516342 and 243615, that added together give a palindrome (759957).

The spelling of 516342243615 in words is "five hundred sixteen billion, three hundred forty-two million, two hundred forty-three thousand, six hundred fifteen".