216026530555 has 32 divisors (see below), whose sum is σ = 287629977600. Its totient is φ = 154443369600.

The previous prime is 216026530547. The next prime is 216026530589. The reversal of 216026530555 is 555035620612.

It is a happy number.

It is not a de Polignac number, because 216026530555 - 2³ = 216026530547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 886450 + ... + 1103560.

It is an arithmetic number, because the mean of its divisors is an integer number (8988436800).

Almost surely, 2^216026530555 is an apocalyptic number.

216026530555 is a deficient number, since it is larger than the sum of its proper divisors (71603447045).

216026530555 is a wasteful number, since it uses less digits than its factorization.

216026530555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217435.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 216026530555 in words is "two hundred sixteen billion, twenty-six million, five hundred thirty thousand, five hundred fifty-five".