515440166115316 has 12 divisors (see below), whose sum is σ = 971406466909732. Its totient is φ = 237895461283968.

The previous prime is 515440166115271. The next prime is 515440166115323. The reversal of 515440166115316 is 613511661044515.

It can be written as a sum of positive squares in 2 ways, for example, as 63431731075216 + 452008435040100 = 7964404^2 + 21260490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 515440166115316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4956155443365 + ... + 4956155443468.

Almost surely, 2^{515440166115316} is an apocalyptic number.

It is an amenable number.

515440166115316 is a deficient number, since it is larger than the sum of its proper divisors (455966300794416).

515440166115316 is a wasteful number, since it uses less digits than its factorization.

515440166115316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912310886850 (or 9912310886848 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 49.

The spelling of 515440166115316 in words is "five hundred fifteen trillion, four hundred forty billion, one hundred sixty-six million, one hundred fifteen thousand, three hundred sixteen".