516720853923 has 8 divisors (see below), whose sum is σ = 725222251200. Its totient is φ = 326350012968.

The previous prime is 516720853919. The next prime is 516720853927. The reversal of 516720853923 is 329358027615.

It is an interprime number because it is at equal distance from previous prime (516720853919) and next prime (516720853927).

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

It is not a de Polignac number, because 516720853923 - 2² = 516720853919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516720853927) 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, 4532639013 + ... + 4532639126.

It is an arithmetic number, because the mean of its divisors is an integer number (90652781400).

Almost surely, 2^516720853923 is an apocalyptic number.

516720853923 is a deficient number, since it is larger than the sum of its proper divisors (208501397277).

516720853923 is a wasteful number, since it uses less digits than its factorization.

516720853923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9065278161.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 516720853923 in words is "five hundred sixteen billion, seven hundred twenty million, eight hundred fifty-three thousand, nine hundred twenty-three".