216335560892 has 24 divisors (see below), whose sum is σ = 413224210560. Its totient is φ = 98281974960.

The previous prime is 216335560891. The next prime is 216335560897. The reversal of 216335560892 is 298065533612.

216335560892 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 216335560892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216335560891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225658 + ... + 1391009.

It is an arithmetic number, because the mean of its divisors is an integer number (17217675440).

Almost surely, 2^216335560892 is an apocalyptic number.

216335560892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216335560892 is a deficient number, since it is larger than the sum of its proper divisors (196888649668).

216335560892 is a wasteful number, since it uses less digits than its factorization.

216335560892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618561 (or 2618559 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 216335560892 in words is "two hundred sixteen billion, three hundred thirty-five million, five hundred sixty thousand, eight hundred ninety-two".