516100004 has 12 divisors (see below), whose sum is σ = 1032200064. Its totient is φ = 221185704.

The previous prime is 516099971. The next prime is 516100007. The reversal of 516100004 is 400001615.

It is a happy number.

516100004 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (516100007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9216044 + ... + 9216099.

It is an arithmetic number, because the mean of its divisors is an integer number (86016672).

Almost surely, 2^516100004 is an apocalyptic number.

It is an amenable number.

516100004 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.

516100004 is a wasteful number, since it uses less digits than its factorization.

516100004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18432154 (or 18432152 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 516100004 is about 22717.8344918700. The cubic root of 516100004 is about 802.1297439570.

Adding to 516100004 its reverse (400001615), we get a palindrome (916101619).

The spelling of 516100004 in words is "five hundred sixteen million, one hundred thousand, four".