36221765652 has 36 divisors (see below), whose sum is σ = 94951709216. Its totient is φ = 12073921560.

The previous prime is 36221765651. The next prime is 36221765653. The reversal of 36221765652 is 25656712263.

36221765652 is a `hidden beast` number, since 3 + 62 + 21 + 7 + 6 + 565 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (36221765651) and next prime (36221765653).

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 36221765598 and 36221765607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36221765651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18631624 + ... + 18633567.

Almost surely, 2^36221765652 is an apocalyptic number.

It is an amenable number.

36221765652 is an abundant number, since it is smaller than the sum of its proper divisors (58729943564).

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

36221765652 is a wasteful number, since it uses less digits than its factorization.

36221765652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37265210 (or 37265196 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 36221765652 in words is "thirty-six billion, two hundred twenty-one million, seven hundred sixty-five thousand, six hundred fifty-two".