36612210636 has 72 divisors (see below), whose sum is σ = 93881118240. Its totient is φ = 12028449024.

The previous prime is 36612210623. The next prime is 36612210641. The reversal of 36612210636 is 63601221663.

36612210636 is a `hidden beast` number, since 3 + 6 + 6 + 1 + 2 + 2 + 10 + 636 = 666.

36612210636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 36612210636.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4550305 + ... + 4558343.

It is an arithmetic number, because the mean of its divisors is an integer number (1303904420).

Almost surely, 2^36612210636 is an apocalyptic number.

36612210636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36612210636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46940559120).

36612210636 is an abundant number, since it is smaller than the sum of its proper divisors (57268907604).

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

36612210636 is a wasteful number, since it uses less digits than its factorization.

36612210636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9855 (or 9850 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 36612210636 in words is "thirty-six billion, six hundred twelve million, two hundred ten thousand, six hundred thirty-six".