516506506 has 8 divisors (see below), whose sum is σ = 776805120. Its totient is φ = 257571468.

The previous prime is 516506483. The next prime is 516506509. The reversal of 516506506 is 605605615.

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

It is not an unprimeable number, because it can be changed into a prime (516506509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339946 + ... + 341461.

It is an arithmetic number, because the mean of its divisors is an integer number (97100640).

Almost surely, 2^516506506 is an apocalyptic number.

516506506 is a deficient number, since it is larger than the sum of its proper divisors (260298614).

516506506 is a wasteful number, since it uses less digits than its factorization.

516506506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681788.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 516506506 is about 22726.7794902841. The cubic root of 516506506 is about 802.3402856944.

The spelling of 516506506 in words is "five hundred sixteen million, five hundred six thousand, five hundred six".