36866685186 has 12 divisors (see below), whose sum is σ = 79877817942. Its totient is φ = 12288895056.

The previous prime is 36866685157. The next prime is 36866685187. The reversal of 36866685186 is 68158666863.

It can be written as a sum of positive squares in only one way, i.e., 36492842961 + 373842225 = 191031^2 + 19335^2 .

It is not an unprimeable number, because it can be changed into a prime (36866685187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1024074571 + ... + 1024074606.

Almost surely, 2^36866685186 is an apocalyptic number.

36866685186 is an abundant number, since it is smaller than the sum of its proper divisors (43011132756).

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

36866685186 is a wasteful number, since it uses less digits than its factorization.

36866685186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048149185 (or 2048149182 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The spelling of 36866685186 in words is "thirty-six billion, eight hundred sixty-six million, six hundred eighty-five thousand, one hundred eighty-six".