516893643 has 40 divisors (see below), whose sum is σ = 889320960. Its totient is φ = 293070960.

The previous prime is 516893627. The next prime is 516893647. The reversal of 516893643 is 346398615.

516893643 is a `hidden beast` number, since 516 + 8 + 93 + 6 + 43 = 666.

It is not a de Polignac number, because 516893643 - 2⁴ = 516893627 is a prime.

It is a super-2 number, since 2×516893643² = 534358076347622898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (516893647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70798 + ... + 77756.

It is an arithmetic number, because the mean of its divisors is an integer number (22233024).

Almost surely, 2^516893643 is an apocalyptic number.

516893643 is a deficient number, since it is larger than the sum of its proper divisors (372427317).

516893643 is a wasteful number, since it uses less digits than its factorization.

516893643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109 (or 7100 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 516893643 is about 22735.2950937524. The cubic root of 516893643 is about 802.5406949404.

The spelling of 516893643 in words is "five hundred sixteen million, eight hundred ninety-three thousand, six hundred forty-three".