516553590499 has 4 divisors (see below), whose sum is σ = 517719626136. Its totient is φ = 515387554864.

The previous prime is 516553590479. The next prime is 516553590551. The reversal of 516553590499 is 994095355615.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516553590499 is a prime.

It is a super-2 number, since 2×516553590499² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516553590479) 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, 583017154 + ... + 583018039.

It is an arithmetic number, because the mean of its divisors is an integer number (129429906534).

Almost surely, 2^516553590499 is an apocalyptic number.

516553590499 is a deficient number, since it is larger than the sum of its proper divisors (1166035637).

516553590499 is a wasteful number, since it uses less digits than its factorization.

516553590499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166035636.

The product of its (nonzero) digits is 32805000, while the sum is 61.

The spelling of 516553590499 in words is "five hundred sixteen billion, five hundred fifty-three million, five hundred ninety thousand, four hundred ninety-nine".