516212732985 has 8 divisors (see below), whose sum is σ = 825940372800. Its totient is φ = 275313457584.

The previous prime is 516212732969. The next prime is 516212732993. The reversal of 516212732985 is 589237212615.

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

It is not a de Polignac number, because 516212732985 - 2⁴ = 516212732969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17207091085 + ... + 17207091114.

It is an arithmetic number, because the mean of its divisors is an integer number (103242546600).

Almost surely, 2^516212732985 is an apocalyptic number.

It is an amenable number.

516212732985 is a deficient number, since it is larger than the sum of its proper divisors (309727639815).

516212732985 is a wasteful number, since it uses less digits than its factorization.

516212732985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34414182207.

The product of its digits is 1814400, while the sum is 51.

The spelling of 516212732985 in words is "five hundred sixteen billion, two hundred twelve million, seven hundred thirty-two thousand, nine hundred eighty-five".