516105657870 has 32 divisors (see below), whose sum is σ = 1351258450560. Its totient is φ = 125116523040.

The previous prime is 516105657839. The next prime is 516105657877. The reversal of 516105657870 is 78756501615.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516105657877) 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 15 ways as a sum of consecutive naturals, for example, 781977940 + ... + 781978599.

It is an arithmetic number, because the mean of its divisors is an integer number (42226826580).

Almost surely, 2^516105657870 is an apocalyptic number.

516105657870 is an abundant number, since it is smaller than the sum of its proper divisors (835152792690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516105657870 is a wasteful number, since it uses less digits than its factorization.

516105657870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563956560.

The product of its (nonzero) digits is 1764000, while the sum is 51.

The spelling of 516105657870 in words is "five hundred sixteen billion, one hundred five million, six hundred fifty-seven thousand, eight hundred seventy".