36221780016 has 40 divisors (see below), whose sum is σ = 103969925360. Its totient is φ = 12073926528.

The previous prime is 36221779969. The next prime is 36221780017. The reversal of 36221780016 is 61008712263.

36221780016 is a `hidden beast` number, since 3 + 622 + 17 + 8 + 0 + 0 + 16 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (36221780017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41922925 + ... + 41923788.

It is an arithmetic number, because the mean of its divisors is an integer number (2599248134).

Almost surely, 2^36221780016 is an apocalyptic number.

36221780016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

36221780016 is an abundant number, since it is smaller than the sum of its proper divisors (67748145344).

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

36221780016 is a wasteful number, since it uses less digits than its factorization.

36221780016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83846730 (or 83846718 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 36221780016 in words is "thirty-six billion, two hundred twenty-one million, seven hundred eighty thousand, sixteen".