36221164542 has 24 divisors (see below), whose sum is σ = 78499656144. Its totient is φ = 12070572864.

The previous prime is 36221164523. The next prime is 36221164549. The reversal of 36221164542 is 24546112263.

36221164542 is a `hidden beast` number, since 3 + 6 + 2 + 2 + 1 + 1 + 645 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 36221164497 and 36221164506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36221164549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190923 + ... + 329990.

It is an arithmetic number, because the mean of its divisors is an integer number (3270819006).

Almost surely, 2^36221164542 is an apocalyptic number.

36221164542 is an abundant number, since it is smaller than the sum of its proper divisors (42278491602).

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

36221164542 is a wasteful number, since it uses less digits than its factorization.

36221164542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524784 (or 524781 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 36221164542 in words is "thirty-six billion, two hundred twenty-one million, one hundred sixty-four thousand, five hundred forty-two".