516121338 has 8 divisors (see below), whose sum is σ = 1032242688. Its totient is φ = 172040444.

The previous prime is 516121337. The next prime is 516121363. The reversal of 516121338 is 833121615.

It is a sphenic number, since it is the product of 3 distinct primes.

516121338 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (516121337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43010106 + ... + 43010117.

It is an arithmetic number, because the mean of its divisors is an integer number (129030336).

Almost surely, 2^516121338 is an apocalyptic number.

516121338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

516121338 is a wasteful number, since it uses less digits than its factorization.

516121338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86020228.

The product of its digits is 4320, while the sum is 30.

The square root of 516121338 is about 22718.3040300107. The cubic root of 516121338 is about 802.1407963371.

The spelling of 516121338 in words is "five hundred sixteen million, one hundred twenty-one thousand, three hundred thirty-eight".