516541699 has 4 divisors (see below), whose sum is σ = 516891960. Its totient is φ = 516191440.

The previous prime is 516541679. The next prime is 516541769. The reversal of 516541699 is 996145615.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516541699 - 2⁵ = 516541667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516541679) 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, 172909 + ... + 175870.

It is an arithmetic number, because the mean of its divisors is an integer number (129222990).

Almost surely, 2^516541699 is an apocalyptic number.

516541699 is a deficient number, since it is larger than the sum of its proper divisors (350261).

516541699 is a wasteful number, since it uses less digits than its factorization.

516541699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350260.

The product of its digits is 291600, while the sum is 46.

The square root of 516541699 is about 22727.5537398991. The cubic root of 516541699 is about 802.3585081950.

It can be divided in two parts, 5165 and 41699, that added together give a palindrome (46864).

The spelling of 516541699 in words is "five hundred sixteen million, five hundred forty-one thousand, six hundred ninety-nine".