36866885181 has 8 divisors (see below), whose sum is σ = 56178110784. Its totient is φ = 21066791520.

The previous prime is 36866885119. The next prime is 36866885213. The reversal of 36866885181 is 18158866863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36866885181 - 2⁷ = 36866885053 is a prime.

It is a super-2 number, since 2×36866885181² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36866885281) 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, 877782960 + ... + 877783001.

It is an arithmetic number, because the mean of its divisors is an integer number (7022263848).

Almost surely, 2^36866885181 is an apocalyptic number.

It is an amenable number.

36866885181 is a deficient number, since it is larger than the sum of its proper divisors (19311225603).

36866885181 is a wasteful number, since it uses less digits than its factorization.

36866885181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755565971.

The product of its digits is 13271040, while the sum is 60.

The spelling of 36866885181 in words is "thirty-six billion, eight hundred sixty-six million, eight hundred eighty-five thousand, one hundred eighty-one".