516290238738 has 16 divisors (see below), whose sum is σ = 1147311641760. Its totient is φ = 172096746228.

The previous prime is 516290238719. The next prime is 516290238773. The reversal of 516290238738 is 837832092615.

516290238738 is a `hidden beast` number, since 5 + 1 + 629 + 0 + 2 + 3 + 8 + 7 + 3 + 8 = 666.

It is a super-2 number, since 2×516290238738² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 9560930347 = 516290238738 / (5 + 1 + 6 + 2 + 9 + 0 + 2 + 3 + 8 + 7 + 3 + 8).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4780465120 + ... + 4780465227.

It is an arithmetic number, because the mean of its divisors is an integer number (71706977610).

Almost surely, 2^516290238738 is an apocalyptic number.

516290238738 is an abundant number, since it is smaller than the sum of its proper divisors (631021403022).

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

516290238738 is a wasteful number, since it uses less digits than its factorization.

516290238738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9560930358 (or 9560930352 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 516290238738 in words is "five hundred sixteen billion, two hundred ninety million, two hundred thirty-eight thousand, seven hundred thirty-eight".