36660681841 has 4 divisors (see below), whose sum is σ = 41897922112. Its totient is φ = 31423441572.

The previous prime is 36660681817. The next prime is 36660681961. The reversal of 36660681841 is 14818606663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36660681841 - 2¹⁷ = 36660550769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36660681041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2618620125 + ... + 2618620138.

It is an arithmetic number, because the mean of its divisors is an integer number (10474480528).

Almost surely, 2^36660681841 is an apocalyptic number.

It is an amenable number.

36660681841 is a deficient number, since it is larger than the sum of its proper divisors (5237240271).

36660681841 is an equidigital number, since it uses as much as digits as its factorization.

36660681841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237240270.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 36660681841 in words is "thirty-six billion, six hundred sixty million, six hundred eighty-one thousand, eight hundred forty-one".