515016064 has 16 divisors (see below), whose sum is σ = 1026008820. Its totient is φ = 257507968.

The previous prime is 515016053. The next prime is 515016091. The reversal of 515016064 is 460610515.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011654 + ... + 2011909.

Almost surely, 2^515016064 is an apocalyptic number.

It is an amenable number.

515016064 is a deficient number, since it is larger than the sum of its proper divisors (510992756).

515016064 is an equidigital number, since it uses as much as digits as its factorization.

515016064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023577 (or 4023565 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 515016064 is about 22693.9653652684. The cubic root of 515016064 is about 801.5677921941.

Adding to 515016064 its reverse (460610515), we get a palindrome (975626579).

The spelling of 515016064 in words is "five hundred fifteen million, sixteen thousand, sixty-four".