36166643 has 4 divisors (see below), whose sum is σ = 36255480. Its totient is φ = 36077808.

The previous prime is 36166631. The next prime is 36166661. The reversal of 36166643 is 34666163.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36166643 - 2¹² = 36162547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36166043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43805 + ... + 44622.

It is an arithmetic number, because the mean of its divisors is an integer number (9063870).

Almost surely, 2^36166643 is an apocalyptic number.

36166643 is a deficient number, since it is larger than the sum of its proper divisors (88837).

36166643 is an equidigital number, since it uses as much as digits as its factorization.

36166643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88836.

The product of its digits is 46656, while the sum is 35.

The square root of 36166643 is about 6013.8708832166. The cubic root of 36166643 is about 330.7014250925.

The spelling of 36166643 in words is "thirty-six million, one hundred sixty-six thousand, six hundred forty-three".