516163645 has 8 divisors (see below), whose sum is σ = 628641504. Its totient is φ = 406767504.

The previous prime is 516163621. The next prime is 516163649. The reversal of 516163645 is 546361615.

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

It is a cyclic number.

It is not a de Polignac number, because 516163645 - 2⁹ = 516163133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516163649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770059 + ... + 770728.

It is an arithmetic number, because the mean of its divisors is an integer number (78580188).

Almost surely, 2^516163645 is an apocalyptic number.

It is an amenable number.

516163645 is a deficient number, since it is larger than the sum of its proper divisors (112477859).

516163645 is a wasteful number, since it uses less digits than its factorization.

516163645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540859.

The product of its digits is 64800, while the sum is 37.

The square root of 516163645 is about 22719.2351323719. The cubic root of 516163645 is about 802.1627131752.

The spelling of 516163645 in words is "five hundred sixteen million, one hundred sixty-three thousand, six hundred forty-five".