516554420642350 has 96 divisors (see below), whose sum is σ = 1036053778001760. Its totient is φ = 190967590656000.

The previous prime is 516554420642321. The next prime is 516554420642353. The reversal of 516554420642350 is 53246024455615.

It is a super-2 number, since 2×516554420642350² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516554420642353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1687199884 + ... + 1687506016.

It is an arithmetic number, because the mean of its divisors is an integer number (10792226854185).

Almost surely, 2^{516554420642350} is an apocalyptic number.

516554420642350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

516554420642350 is an abundant number, since it is smaller than the sum of its proper divisors (519499357359410).

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

516554420642350 is a wasteful number, since it uses less digits than its factorization.

516554420642350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349526 (or 349521 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 52.

The spelling of 516554420642350 in words is "five hundred sixteen trillion, five hundred fifty-four billion, four hundred twenty million, six hundred forty-two thousand, three hundred fifty".