216363588860 has 12 divisors (see below), whose sum is σ = 454363536648. Its totient is φ = 86545435536.

The previous prime is 216363588839. The next prime is 216363588863. The reversal of 216363588860 is 68885363612.

It is a junction number, because it is equal to n+sod(n) for n = 216363588796 and 216363588805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216363588863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5409089702 + ... + 5409089741.

It is an arithmetic number, because the mean of its divisors is an integer number (37863628054).

Almost surely, 2^216363588860 is an apocalyptic number.

216363588860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216363588860 is an abundant number, since it is smaller than the sum of its proper divisors (237999947788).

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

216363588860 is a wasteful number, since it uses less digits than its factorization.

216363588860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818179452 (or 10818179450 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 216363588860 in words is "two hundred sixteen billion, three hundred sixty-three million, five hundred eighty-eight thousand, eight hundred sixty".