36556032216 has 64 divisors (see below), whose sum is σ = 99925689600. Its totient is φ = 11052316800.

The previous prime is 36556032179. The next prime is 36556032217. The reversal of 36556032216 is 61223065563.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36556032217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41815 + ... + 273606.

It is an arithmetic number, because the mean of its divisors is an integer number (1561338900).

Almost surely, 2^36556032216 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 36556032216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49962844800).

36556032216 is an abundant number, since it is smaller than the sum of its proper divisors (63369657384).

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

36556032216 is a wasteful number, since it uses less digits than its factorization.

36556032216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315880 (or 315876 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

Adding to 36556032216 its reverse (61223065563), we get a palindrome (97779097779).

The spelling of 36556032216 in words is "thirty-six billion, five hundred fifty-six million, thirty-two thousand, two hundred sixteen".