36218186901 has 24 divisors (see below), whose sum is σ = 57402419256. Its totient is φ = 21867580800.

The previous prime is 36218186891. The next prime is 36218186923. The reversal of 36218186901 is 10968181263.

36218186901 is a `hidden beast` number, since 3 + 621 + 8 + 18 + 6 + 9 + 0 + 1 = 666.

36218186901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2113700625 + 34104486276 = 45975^2 + 184674^2 .

It is not a de Polignac number, because 36218186901 - 2⁷ = 36218186773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36218186951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2914150 + ... + 2926551.

It is an arithmetic number, because the mean of its divisors is an integer number (2391767469).

Almost surely, 2^36218186901 is an apocalyptic number.

It is an amenable number.

36218186901 is a deficient number, since it is larger than the sum of its proper divisors (21184232355).

36218186901 is a wasteful number, since it uses less digits than its factorization.

36218186901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840773 (or 5840770 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 36218186901 in words is "thirty-six billion, two hundred eighteen million, one hundred eighty-six thousand, nine hundred one".