516798645 has 64 divisors (see below), whose sum is σ = 936714240. Its totient is φ = 241113600.

The previous prime is 516798643. The next prime is 516798679. The reversal of 516798645 is 546897615.

It is not a de Polignac number, because 516798645 - 2¹ = 516798643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516798643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 533952 + ... + 534918.

It is an arithmetic number, because the mean of its divisors is an integer number (14636160).

Almost surely, 2^516798645 is an apocalyptic number.

516798645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

516798645 is a deficient number, since it is larger than the sum of its proper divisors (419915595).

516798645 is a wasteful number, since it uses less digits than its factorization.

516798645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

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

The square root of 516798645 is about 22733.2057792120. The cubic root of 516798645 is about 802.4915265844.

The spelling of 516798645 in words is "five hundred sixteen million, seven hundred ninety-eight thousand, six hundred forty-five".