516651516501 has 16 divisors (see below), whose sum is σ = 726465320640. Its totient is φ = 325703047680.

The previous prime is 516651516497. The next prime is 516651516517. The reversal of 516651516501 is 105615156615.

It is not a de Polignac number, because 516651516501 - 2² = 516651516497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516651516551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8346300 + ... + 8407973.

It is an arithmetic number, because the mean of its divisors is an integer number (45404082540).

Almost surely, 2^516651516501 is an apocalyptic number.

It is an amenable number.

516651516501 is a deficient number, since it is larger than the sum of its proper divisors (209813804139).

516651516501 is a wasteful number, since it uses less digits than its factorization.

516651516501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16754836.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 516651516501 in words is "five hundred sixteen billion, six hundred fifty-one million, five hundred sixteen thousand, five hundred one".