216202150836 has 240 divisors, whose sum is σ = 656636682240. Its totient is φ = 60753188160.

The previous prime is 216202150819. The next prime is 216202150837. The reversal of 216202150836 is 638051202612.

216202150836 is a `hidden beast` number, since 2 + 1 + 620 + 21 + 5 + 0 + 8 + 3 + 6 = 666.

It is a super-2 number, since 2×216202150836² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 216202150836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216202150837) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 77131011 + ... + 77133813.

It is an arithmetic number, because the mean of its divisors is an integer number (2735986176).

Almost surely, 2^216202150836 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 216202150836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328318341120).

216202150836 is an abundant number, since it is smaller than the sum of its proper divisors (440434531404).

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

216202150836 is a wasteful number, since it uses less digits than its factorization.

216202150836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3365 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 216202150836 in words is "two hundred sixteen billion, two hundred two million, one hundred fifty thousand, eight hundred thirty-six".