516104338 has 4 divisors (see below), whose sum is σ = 774156510. Its totient is φ = 258052168.

The previous prime is 516104333. The next prime is 516104363. The reversal of 516104338 is 833401615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833401615 = 5 ⋅166680323.

It can be written as a sum of positive squares in only one way, i.e., 351675009 + 164429329 = 18753^2 + 12823^2 .

It is not an unprimeable number, because it can be changed into a prime (516104333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129026083 + ... + 129026086.

Almost surely, 2^516104338 is an apocalyptic number.

516104338 is a deficient number, since it is larger than the sum of its proper divisors (258052172).

516104338 is a wasteful number, since it uses less digits than its factorization.

516104338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258052171.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 516104338 is about 22717.9298792826. The cubic root of 516104338 is about 802.1319892716.

The spelling of 516104338 in words is "five hundred sixteen million, one hundred four thousand, three hundred thirty-eight".