515651356640416 has 48 divisors (see below), whose sum is σ = 1048576788080640. Its totient is φ = 249356301891840.

The previous prime is 515651356640297. The next prime is 515651356640471. The reversal of 515651356640416 is 614046653156515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157145136 + ... + 160392943.

It is an arithmetic number, because the mean of its divisors is an integer number (21845349751680).

Almost surely, 2^{515651356640416} is an apocalyptic number.

It is an amenable number.

515651356640416 is an abundant number, since it is smaller than the sum of its proper divisors (532925431440224).

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

515651356640416 is a wasteful number, since it uses less digits than its factorization.

515651356640416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317539757 (or 317539749 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 58.

The spelling of 515651356640416 in words is "five hundred fifteen trillion, six hundred fifty-one billion, three hundred fifty-six million, six hundred forty thousand, four hundred sixteen".