215616560546 has 16 divisors (see below), whose sum is σ = 324084069600. Its totient is φ = 107588748960.

The previous prime is 215616560527. The next prime is 215616560563. The reversal of 215616560546 is 645065616512.

It is a self number, because there is not a number n which added to its sum of digits gives 215616560546.

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, 2027405 + ... + 2131103.

It is an arithmetic number, because the mean of its divisors is an integer number (20255254350).

Almost surely, 2^215616560546 is an apocalyptic number.

215616560546 is a deficient number, since it is larger than the sum of its proper divisors (108467509054).

215616560546 is a wasteful number, since it uses less digits than its factorization.

215616560546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105809.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 215616560546 in words is "two hundred fifteen billion, six hundred sixteen million, five hundred sixty thousand, five hundred forty-six".