516137004 has 18 divisors (see below), whose sum is σ = 1304679740. Its totient is φ = 172045656.

The previous prime is 516137003. The next prime is 516137057. The reversal of 516137004 is 400731615.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (516137003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7168534 + ... + 7168605.

Almost surely, 2^516137004 is an apocalyptic number.

It is an amenable number.

516137004 is an abundant number, since it is smaller than the sum of its proper divisors (788542736).

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

516137004 is a wasteful number, since it uses less digits than its factorization.

516137004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14337149 (or 14337144 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 516137004 is about 22718.6488154556. The cubic root of 516137004 is about 802.1489121357.

Adding to 516137004 its reverse (400731615), we get a palindrome (916868619).

The spelling of 516137004 in words is "five hundred sixteen million, one hundred thirty-seven thousand, four".