36006661 has 16 divisors (see below), whose sum is σ = 39945600. Its totient is φ = 32332608.

The previous prime is 36006643. The next prime is 36006667. The reversal of 36006661 is 16660063.

It is a cyclic number.

It is not a de Polignac number, because 36006661 - 2⁷ = 36006533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36006667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23950 + ... + 25408.

It is an arithmetic number, because the mean of its divisors is an integer number (2496600).

Almost surely, 2^36006661 is an apocalyptic number.

It is an amenable number.

36006661 is a deficient number, since it is larger than the sum of its proper divisors (3938939).

36006661 is a wasteful number, since it uses less digits than its factorization.

36006661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 36006661 is about 6000.5550576592. Note that the first 3 decimals coincide. The cubic root of 36006661 is about 330.2130885756.

The spelling of 36006661 in words is "thirty-six million, six thousand, six hundred sixty-one".