215563162030516 has 6 divisors (see below), whose sum is σ = 377235533553410. Its totient is φ = 107781581015256.

The previous prime is 215563162030493. The next prime is 215563162030691. The reversal of 215563162030516 is 615030261365512.

It can be written as a sum of positive squares in only one way, i.e., 214950902729616 + 612259300900 = 14661204^2 + 782470^2 .

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, 26945395253811 + ... + 26945395253818.

Almost surely, 2^{215563162030516} is an apocalyptic number.

It is an amenable number.

215563162030516 is a deficient number, since it is larger than the sum of its proper divisors (161672371522894).

215563162030516 is a wasteful number, since it uses less digits than its factorization.

215563162030516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53890790507633 (or 53890790507631 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 215563162030516 in words is "two hundred fifteen trillion, five hundred sixty-three billion, one hundred sixty-two million, thirty thousand, five hundred sixteen".