516113645 has 8 divisors (see below), whose sum is σ = 620471904. Its totient is φ = 412133904.

The previous prime is 516113641. The next prime is 516113683. The reversal of 516113645 is 546311615.

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 516113645 - 2² = 516113641 is a prime.

It is a super-3 number, since 3×516113645³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516113641) 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, 91619 + ... + 97088.

It is an arithmetic number, because the mean of its divisors is an integer number (77558988).

Almost surely, 2^516113645 is an apocalyptic number.

It is an amenable number.

516113645 is a deficient number, since it is larger than the sum of its proper divisors (104358259).

516113645 is a wasteful number, since it uses less digits than its factorization.

516113645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189259.

The product of its digits is 10800, while the sum is 32.

The square root of 516113645 is about 22718.1347165651. The cubic root of 516113645 is about 802.1368109049.

The spelling of 516113645 in words is "five hundred sixteen million, one hundred thirteen thousand, six hundred forty-five".