516216126450 has 48 divisors (see below), whose sum is σ = 1301203164096. Its totient is φ = 135400948800.

The previous prime is 516216126431. The next prime is 516216126467. The reversal of 516216126450 is 54621612615.

It is a junction number, because it is equal to n+sod(n) for n = 516216126399 and 516216126408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28199382 + ... + 28217681.

It is an arithmetic number, because the mean of its divisors is an integer number (27108399252).

Almost surely, 2^516216126450 is an apocalyptic number.

516216126450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

516216126450 is an abundant number, since it is smaller than the sum of its proper divisors (784987037646).

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

516216126450 is a wasteful number, since it uses less digits than its factorization.

516216126450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56417139 (or 56417134 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 516216126450 in words is "five hundred sixteen billion, two hundred sixteen million, one hundred twenty-six thousand, four hundred fifty".