215240983601568 has 96 divisors (see below), whose sum is σ = 598250037784896. Its totient is φ = 67525825056768.

The previous prime is 215240983601531. The next prime is 215240983601591. The reversal of 215240983601568 is 865106389042512.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154678630 + ... + 156063962.

It is an arithmetic number, because the mean of its divisors is an integer number (6231771226926).

Almost surely, 2^{215240983601568} is an apocalyptic number.

It is an amenable number.

215240983601568 is an abundant number, since it is smaller than the sum of its proper divisors (383009054183328).

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

215240983601568 is a wasteful number, since it uses less digits than its factorization.

215240983601568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480566 (or 1480558 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 215240983601568 in words is "two hundred fifteen trillion, two hundred forty billion, nine hundred eighty-three million, six hundred one thousand, five hundred sixty-eight".