216303041655036 has 144 divisors (see below), whose sum is σ = 629398753401600. Its totient is φ = 61353549017856.

The previous prime is 216303041655023. The next prime is 216303041655059. The reversal of 216303041655036 is 630556140303612.

216303041655036 is a `hidden beast` number, since 2 + 1 + 6 + 30 + 30 + 4 + 1 + 6 + 550 + 36 = 666.

It is a super-2 number, since 2×216303041655036² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 216303041654982 and 216303041655000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 872878960 + ... + 873126728.

It is an arithmetic number, because the mean of its divisors is an integer number (4370824676400).

Almost surely, 2^{216303041655036} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216303041655036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314699376700800).

216303041655036 is an abundant number, since it is smaller than the sum of its proper divisors (413095711746564).

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

216303041655036 is a wasteful number, since it uses less digits than its factorization.

216303041655036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272848 (or 272843 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

Adding to 216303041655036 its reverse (630556140303612), we get a palindrome (846859181958648).

The spelling of 216303041655036 in words is "two hundred sixteen trillion, three hundred three billion, forty-one million, six hundred fifty-five thousand, thirty-six".