516254066424 has 24 divisors (see below), whose sum is σ = 1398188096760. Its totient is φ = 172084688784.

The previous prime is 516254066417. The next prime is 516254066453. The reversal of 516254066424 is 424660452615.

516254066424 is a `hidden beast` number, since 5 + 1 + 6 + 2 + 540 + 66 + 42 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×516254066424² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 516254066424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3585097612 + ... + 3585097755.

It is an arithmetic number, because the mean of its divisors is an integer number (58257837365).

Almost surely, 2^516254066424 is an apocalyptic number.

It is an amenable number.

516254066424 is an abundant number, since it is smaller than the sum of its proper divisors (881934030336).

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

516254066424 is a wasteful number, since it uses less digits than its factorization.

516254066424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170195379 (or 7170195372 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 516254066424 in words is "five hundred sixteen billion, two hundred fifty-four million, sixty-six thousand, four hundred twenty-four".